638982540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 576

約数和(自身を含む): 2574028800

約数和(自身を除く): 1935046260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 31, 35, 36, 38, 41, 42, 45, 49, 54, 57, 60, 62, 63, 70, 76, 82, 84, 90, 93, 95, 98, 105, 108, 114, 123, 124, 126, 133, 135, 140, 147, 155, 164, 171, 180, 186, 189, 190, 196, 205, 210, 217, 228, 245, 246, 252, 266, 270, 279, 285, 287, 294, 310, 315, 342, 369, 372, 378, 380, 399, 410, 420, 434, 441, 465, 490, 492, 513, 532, 540, 558, 570, 574, 588, 589, 615, 620, 630, 651, 665, 684, 735, 738, 756, 779, 798, 820, 837, 855, 861, 868, 882, 930, 931, 945, 980, 1026, 1085, 1107, 1116, 1140, 1148, 1178, 1197, 1230, 1260, 1271, 1302, 1323, 1330, 1395, 1435, 1470, 1476, 1519, 1558, 1596, 1674, 1710, 1722, 1764, 1767, 1845, 1860, 1862, 1890, 1953, 1995, 2009, 2052, 2170, 2205, 2214, 2337, 2356, 2394, 2460, 2542, 2565, 2583, 2604, 2646, 2660, 2790, 2793, 2870, 2940, 2945, 3038, 3116, 3255, 3348, 3420, 3444, 3534, 3591, 3690, 3724, 3780, 3813, 3895, 3906, 3990, 4018, 4123, 4185, 4305, 4340, 4410, 4428, 4557, 4655, 4674, 4788, 5084, 5130, 5166, 5292, 5301, 5453, 5535, 5580, 5586, 5740, 5859, 5890, 5985, 6027, 6076, 6355, 6510, 6615, 7011, 7068, 7182, 7380, 7595, 7626, 7749, 7790, 7812, 7980, 8036, 8246, 8370, 8379, 8610, 8820, 8835, 8897, 9114, 9310, 9348, 9765, 10045, 10260, 10332, 10602, 10906, 11070, 11172, 11439, 11685, 11718, 11780, 11970, 12054, 12369, 12710, 12915, 13020, 13230, 13671, 13965, 14022, 14364, 15190, 15252, 15498, 15580, 15903, 16359, 16492, 16740, 16758, 17220, 17670, 17794, 17955, 18081, 18228, 18620, 19065, 19530, 20090, 20615, 21033, 21204, 21812, 22140, 22785, 22878, 23370, 23436, 23940, 24108, 24149, 24738, 25137, 25420, 25830, 26460, 26505, 26691, 27265, 27342, 27930, 28044, 28861, 29295, 30135, 30380, 30996, 31806, 32718, 33516, 34317, 35055, 35340, 35588, 35910, 36162, 37107, 38130, 38171, 38745, 39060, 40180, 41013, 41230, 41895, 42066, 44485, 45570, 45756, 46740, 48298, 49077, 49476, 50274, 51660, 53010, 53382, 54243, 54530, 54684, 55860, 57195, 57722, 58590, 60270, 61845, 62279, 63612, 65436, 68355, 68634, 70110, 71820, 72324, 72447, 74214, 76260, 76342, 77490, 79515, 80073, 81795, 82026, 82460, 83790, 84132, 86583, 88970, 90405, 91140, 96596, 98154, 100548, 105165, 106020, 106764, 108486, 109060, 111321, 114390, 114513, 115444, 117180, 120540, 120745, 123690, 124558, 125685, 133455, 136710, 137268, 140220, 144305, 144894, 147231, 148428, 152684, 154980, 159030, 160146, 163590, 164052, 167580, 169043, 171585, 173166, 177940, 180810, 185535, 186837, 190855, 196308, 205065, 210330, 216972, 217341, 222642, 228780, 229026, 240219, 241490, 245385, 247380, 249116, 251370, 259749, 266910, 271215, 273420, 288610, 289788, 294462, 311395, 318060, 320292, 327180, 338086, 343170, 343539, 346332, 361620, 362235, 371070, 373674, 381710, 400365, 410130, 420660, 432915, 434682, 445284, 458052, 480438, 482980, 490770, 502740, 507129, 519498, 533820, 542430, 556605, 560511, 572565, 577220, 588924, 622790, 652023, 676172, 686340, 687078, 724470, 736155, 742140, 747348, 763420, 779247, 800730, 820260, 845215, 865830, 869364, 934185, 960876, 981540, 1014258, 1030617, 1038996, 1084860, 1086705, 1113210, 1121022, 1145130, 1183301, 1201095, 1245580, 1298745, 1304046, 1374156, 1448940, 1472310, 1521387, 1558494, 1601460, 1681533, 1690430, 1717695, 1731660, 1868370, 2028516, 2061234, 2173410, 2226420, 2242044, 2290260, 2366602, 2402190, 2535645, 2597490, 2608092, 2802555, 2944620, 3042774, 3116988, 3260115, 3363066, 3380860, 3435390, 3549903, 3736740, 3896235, 4122468, 4346820, 4564161, 4733204, 4804380, 5071290, 5153085, 5194980, 5605110, 5916505, 6085548, 6520230, 6726132, 6870780, 7099806, 7606935, 7792470, 8407665, 9128322, 10142580, 10306170, 10649709, 11210220, 11833010, 13040460, 14199612, 15213870, 15584940, 16815330, 17749515, 18256644, 20612340, 21299418, 22820805, 23666020, 30427740, 31949127, 33630660, 35499030, 42598836, 45641610, 53248545, 63898254, 70998060, 91283220, 106497090, 127796508, 159745635, 212994180, 319491270, 638982540]

約数ペア:

[(1, 638982540), (2, 319491270), (3, 212994180), (4, 159745635), (5, 127796508), (6, 106497090), (7, 91283220), (9, 70998060), (10, 63898254), (12, 53248545), (14, 45641610), (15, 42598836), (18, 35499030), (19, 33630660), (20, 31949127), (21, 30427740), (27, 23666020), (28, 22820805), (30, 21299418), (31, 20612340), (35, 18256644), (36, 17749515), (38, 16815330), (41, 15584940), (42, 15213870), (45, 14199612), (49, 13040460), (54, 11833010), (57, 11210220), (60, 10649709), (62, 10306170), (63, 10142580), (70, 9128322), (76, 8407665), (82, 7792470), (84, 7606935), (90, 7099806), (93, 6870780), (95, 6726132), (98, 6520230), (105, 6085548), (108, 5916505), (114, 5605110), (123, 5194980), (124, 5153085), (126, 5071290), (133, 4804380), (135, 4733204), (140, 4564161), (147, 4346820), (155, 4122468), (164, 3896235), (171, 3736740), (180, 3549903), (186, 3435390), (189, 3380860), (190, 3363066), (196, 3260115), (205, 3116988), (210, 3042774), (217, 2944620), (228, 2802555), (245, 2608092), (246, 2597490), (252, 2535645), (266, 2402190), (270, 2366602), (279, 2290260), (285, 2242044), (287, 2226420), (294, 2173410), (310, 2061234), (315, 2028516), (342, 1868370), (369, 1731660), (372, 1717695), (378, 1690430), (380, 1681533), (399, 1601460), (410, 1558494), (420, 1521387), (434, 1472310), (441, 1448940), (465, 1374156), (490, 1304046), (492, 1298745), (513, 1245580), (532, 1201095), (540, 1183301), (558, 1145130), (570, 1121022), (574, 1113210), (588, 1086705), (589, 1084860), (615, 1038996), (620, 1030617), (630, 1014258), (651, 981540), (665, 960876), (684, 934185), (735, 869364), (738, 865830), (756, 845215), (779, 820260), (798, 800730), (820, 779247), (837, 763420), (855, 747348), (861, 742140), (868, 736155), (882, 724470), (930, 687078), (931, 686340), (945, 676172), (980, 652023), (1026, 622790), (1085, 588924), (1107, 577220), (1116, 572565), (1140, 560511), (1148, 556605), (1178, 542430), (1197, 533820), (1230, 519498), (1260, 507129), (1271, 502740), (1302, 490770), (1323, 482980), (1330, 480438), (1395, 458052), (1435, 445284), (1470, 434682), (1476, 432915), (1519, 420660), (1558, 410130), (1596, 400365), (1674, 381710), (1710, 373674), (1722, 371070), (1764, 362235), (1767, 361620), (1845, 346332), (1860, 343539), (1862, 343170), (1890, 338086), (1953, 327180), (1995, 320292), (2009, 318060), (2052, 311395), (2170, 294462), (2205, 289788), (2214, 288610), (2337, 273420), (2356, 271215), (2394, 266910), (2460, 259749), (2542, 251370), (2565, 249116), (2583, 247380), (2604, 245385), (2646, 241490), (2660, 240219), (2790, 229026), (2793, 228780), (2870, 222642), (2940, 217341), (2945, 216972), (3038, 210330), (3116, 205065), (3255, 196308), (3348, 190855), (3420, 186837), (3444, 185535), (3534, 180810), (3591, 177940), (3690, 173166), (3724, 171585), (3780, 169043), (3813, 167580), (3895, 164052), (3906, 163590), (3990, 160146), (4018, 159030), (4123, 154980), (4185, 152684), (4305, 148428), (4340, 147231), (4410, 144894), (4428, 144305), (4557, 140220), (4655, 137268), (4674, 136710), (4788, 133455), (5084, 125685), (5130, 124558), (5166, 123690), (5292, 120745), (5301, 120540), (5453, 117180), (5535, 115444), (5580, 114513), (5586, 114390), (5740, 111321), (5859, 109060), (5890, 108486), (5985, 106764), (6027, 106020), (6076, 105165), (6355, 100548), (6510, 98154), (6615, 96596), (7011, 91140), (7068, 90405), (7182, 88970), (7380, 86583), (7595, 84132), (7626, 83790), (7749, 82460), (7790, 82026), (7812, 81795), (7980, 80073), (8036, 79515), (8246, 77490), (8370, 76342), (8379, 76260), (8610, 74214), (8820, 72447), (8835, 72324), (8897, 71820), (9114, 70110), (9310, 68634), (9348, 68355), (9765, 65436), (10045, 63612), (10260, 62279), (10332, 61845), (10602, 60270), (10906, 58590), (11070, 57722), (11172, 57195), (11439, 55860), (11685, 54684), (11718, 54530), (11780, 54243), (11970, 53382), (12054, 53010), (12369, 51660), (12710, 50274), (12915, 49476), (13020, 49077), (13230, 48298), (13671, 46740), (13965, 45756), (14022, 45570), (14364, 44485), (15190, 42066), (15252, 41895), (15498, 41230), (15580, 41013), (15903, 40180), (16359, 39060), (16492, 38745), (16740, 38171), (16758, 38130), (17220, 37107), (17670, 36162), (17794, 35910), (17955, 35588), (18081, 35340), (18228, 35055), (18620, 34317), (19065, 33516), (19530, 32718), (20090, 31806), (20615, 30996), (21033, 30380), (21204, 30135), (21812, 29295), (22140, 28861), (22785, 28044), (22878, 27930), (23370, 27342), (23436, 27265), (23940, 26691), (24108, 26505), (24149, 26460), (24738, 25830), (25137, 25420)]