449281980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 288

約数和(自身を含む): 1677312000

約数和(自身を除く): 1228030020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 343, 380, 383, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 686, 735, 766, 798, 855, 882, 931, 980, 1029, 1140, 1149, 1197, 1260, 1330, 1372, 1470, 1532, 1596, 1710, 1715, 1764, 1862, 1915, 1995, 2058, 2205, 2298, 2394, 2660, 2681, 2793, 2940, 3087, 3420, 3430, 3447, 3724, 3830, 3990, 4116, 4410, 4596, 4655, 4788, 5145, 5362, 5586, 5745, 5985, 6174, 6517, 6860, 6894, 7277, 7660, 7980, 8043, 8379, 8820, 9310, 10290, 10724, 11172, 11490, 11970, 12348, 13034, 13405, 13788, 13965, 14554, 15435, 16086, 16758, 17235, 18620, 18767, 19551, 20580, 21831, 22980, 23940, 24129, 26068, 26810, 27930, 29108, 30870, 32172, 32585, 33516, 34470, 36385, 37534, 39102, 40215, 41895, 43662, 48258, 50939, 53620, 55860, 56301, 58653, 61740, 65170, 65493, 68940, 72770, 75068, 78204, 80430, 83790, 87324, 93835, 96516, 97755, 101878, 109155, 112602, 117306, 120645, 130340, 130986, 131369, 145540, 152817, 160860, 167580, 168903, 187670, 195510, 203756, 218310, 225204, 234612, 241290, 254695, 261972, 262738, 281505, 293265, 305634, 327465, 337806, 356573, 375340, 391020, 394107, 436620, 458451, 482580, 509390, 525476, 563010, 586530, 611268, 654930, 656845, 675612, 713146, 764085, 788214, 844515, 916902, 1018780, 1069719, 1126020, 1173060, 1182321, 1309860, 1313690, 1426292, 1528170, 1576428, 1689030, 1782865, 1833804, 1970535, 2139438, 2292255, 2364642, 2496011, 2627380, 3056340, 3209157, 3378060, 3565730, 3941070, 4278876, 4584510, 4729284, 4992022, 5348595, 5911605, 6418314, 7131460, 7488033, 7882140, 9169020, 9984044, 10697190, 11823210, 12480055, 12836628, 14976066, 16045785, 21394380, 22464099, 23646420, 24960110, 29952132, 32091570, 37440165, 44928198, 49920220, 64183140, 74880330, 89856396, 112320495, 149760660, 224640990, 449281980]

約数ペア:

[(1, 449281980), (2, 224640990), (3, 149760660), (4, 112320495), (5, 89856396), (6, 74880330), (7, 64183140), (9, 49920220), (10, 44928198), (12, 37440165), (14, 32091570), (15, 29952132), (18, 24960110), (19, 23646420), (20, 22464099), (21, 21394380), (28, 16045785), (30, 14976066), (35, 12836628), (36, 12480055), (38, 11823210), (42, 10697190), (45, 9984044), (49, 9169020), (57, 7882140), (60, 7488033), (63, 7131460), (70, 6418314), (76, 5911605), (84, 5348595), (90, 4992022), (95, 4729284), (98, 4584510), (105, 4278876), (114, 3941070), (126, 3565730), (133, 3378060), (140, 3209157), (147, 3056340), (171, 2627380), (180, 2496011), (190, 2364642), (196, 2292255), (210, 2139438), (228, 1970535), (245, 1833804), (252, 1782865), (266, 1689030), (285, 1576428), (294, 1528170), (315, 1426292), (342, 1313690), (343, 1309860), (380, 1182321), (383, 1173060), (399, 1126020), (420, 1069719), (441, 1018780), (490, 916902), (532, 844515), (570, 788214), (588, 764085), (630, 713146), (665, 675612), (684, 656845), (686, 654930), (735, 611268), (766, 586530), (798, 563010), (855, 525476), (882, 509390), (931, 482580), (980, 458451), (1029, 436620), (1140, 394107), (1149, 391020), (1197, 375340), (1260, 356573), (1330, 337806), (1372, 327465), (1470, 305634), (1532, 293265), (1596, 281505), (1710, 262738), (1715, 261972), (1764, 254695), (1862, 241290), (1915, 234612), (1995, 225204), (2058, 218310), (2205, 203756), (2298, 195510), (2394, 187670), (2660, 168903), (2681, 167580), (2793, 160860), (2940, 152817), (3087, 145540), (3420, 131369), (3430, 130986), (3447, 130340), (3724, 120645), (3830, 117306), (3990, 112602), (4116, 109155), (4410, 101878), (4596, 97755), (4655, 96516), (4788, 93835), (5145, 87324), (5362, 83790), (5586, 80430), (5745, 78204), (5985, 75068), (6174, 72770), (6517, 68940), (6860, 65493), (6894, 65170), (7277, 61740), (7660, 58653), (7980, 56301), (8043, 55860), (8379, 53620), (8820, 50939), (9310, 48258), (10290, 43662), (10724, 41895), (11172, 40215), (11490, 39102), (11970, 37534), (12348, 36385), (13034, 34470), (13405, 33516), (13788, 32585), (13965, 32172), (14554, 30870), (15435, 29108), (16086, 27930), (16758, 26810), (17235, 26068), (18620, 24129), (18767, 23940), (19551, 22980), (20580, 21831)]