640299240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 384

約数和(自身を含む): 2569881600

約数和(自身を除く): 1929582360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 43, 45, 56, 57, 60, 63, 70, 72, 76, 84, 86, 90, 95, 105, 114, 120, 126, 129, 133, 140, 152, 168, 171, 172, 180, 190, 210, 215, 228, 252, 258, 266, 280, 285, 301, 311, 315, 342, 344, 360, 380, 387, 399, 420, 430, 456, 504, 516, 532, 570, 602, 622, 630, 645, 665, 684, 760, 774, 798, 817, 840, 855, 860, 903, 933, 1032, 1064, 1140, 1197, 1204, 1244, 1260, 1290, 1330, 1368, 1505, 1548, 1555, 1596, 1634, 1710, 1720, 1806, 1866, 1935, 1995, 2177, 2280, 2394, 2408, 2451, 2488, 2520, 2580, 2660, 2709, 2799, 3010, 3096, 3110, 3192, 3268, 3420, 3612, 3732, 3870, 3990, 4085, 4354, 4515, 4665, 4788, 4902, 5160, 5320, 5418, 5598, 5719, 5909, 5985, 6020, 6220, 6531, 6536, 6840, 7224, 7353, 7464, 7740, 7980, 8170, 8708, 9030, 9330, 9576, 9804, 10836, 10885, 11196, 11438, 11818, 11970, 12040, 12255, 12440, 13062, 13373, 13545, 13995, 14706, 15480, 15960, 16340, 17157, 17416, 17727, 18060, 18660, 19593, 19608, 21672, 21770, 22392, 22876, 23636, 23940, 24510, 26124, 26746, 27090, 27990, 28595, 29412, 29545, 32655, 32680, 34314, 35454, 36120, 36765, 37320, 39186, 40119, 41363, 43540, 45752, 47272, 47880, 49020, 51471, 52248, 53181, 53492, 54180, 55980, 57190, 58824, 59090, 65310, 66865, 68628, 70908, 73530, 78372, 80238, 82726, 85785, 87080, 88635, 93611, 97965, 98040, 102942, 106362, 106984, 108360, 111960, 114380, 118180, 120357, 124089, 130620, 133730, 137256, 141816, 147060, 156744, 160476, 165452, 171570, 177270, 187222, 195930, 200595, 205884, 206815, 212724, 228760, 236360, 240714, 248178, 254087, 257355, 261240, 265905, 267460, 280833, 294120, 320952, 330904, 343140, 354540, 372267, 374444, 391860, 401190, 411768, 413630, 425448, 468055, 481428, 496356, 508174, 514710, 531810, 534920, 561666, 601785, 620445, 686280, 709080, 744534, 748888, 762261, 783720, 802380, 827260, 842499, 936110, 962856, 992712, 1016348, 1029420, 1063620, 1123332, 1203570, 1240890, 1270435, 1404165, 1489068, 1524522, 1604760, 1654520, 1684998, 1778609, 1861335, 1872220, 2032696, 2058840, 2127240, 2246664, 2286783, 2407140, 2481780, 2540870, 2808330, 2978136, 3049044, 3369996, 3557218, 3722670, 3744440, 3811305, 4212495, 4573566, 4814280, 4963560, 5081740, 5335827, 5616660, 6098088, 6739992, 7114436, 7445340, 7622610, 8424990, 8893045, 9147132, 10163480, 10671654, 11233320, 11433915, 14228872, 14890680, 15245220, 16007481, 16849980, 17786090, 18294264, 21343308, 22867830, 26679135, 30490440, 32014962, 33699960, 35572180, 42686616, 45735660, 53358270, 64029924, 71144360, 80037405, 91471320, 106716540, 128059848, 160074810, 213433080, 320149620, 640299240]

約数ペア:

[(1, 640299240), (2, 320149620), (3, 213433080), (4, 160074810), (5, 128059848), (6, 106716540), (7, 91471320), (8, 80037405), (9, 71144360), (10, 64029924), (12, 53358270), (14, 45735660), (15, 42686616), (18, 35572180), (19, 33699960), (20, 32014962), (21, 30490440), (24, 26679135), (28, 22867830), (30, 21343308), (35, 18294264), (36, 17786090), (38, 16849980), (40, 16007481), (42, 15245220), (43, 14890680), (45, 14228872), (56, 11433915), (57, 11233320), (60, 10671654), (63, 10163480), (70, 9147132), (72, 8893045), (76, 8424990), (84, 7622610), (86, 7445340), (90, 7114436), (95, 6739992), (105, 6098088), (114, 5616660), (120, 5335827), (126, 5081740), (129, 4963560), (133, 4814280), (140, 4573566), (152, 4212495), (168, 3811305), (171, 3744440), (172, 3722670), (180, 3557218), (190, 3369996), (210, 3049044), (215, 2978136), (228, 2808330), (252, 2540870), (258, 2481780), (266, 2407140), (280, 2286783), (285, 2246664), (301, 2127240), (311, 2058840), (315, 2032696), (342, 1872220), (344, 1861335), (360, 1778609), (380, 1684998), (387, 1654520), (399, 1604760), (420, 1524522), (430, 1489068), (456, 1404165), (504, 1270435), (516, 1240890), (532, 1203570), (570, 1123332), (602, 1063620), (622, 1029420), (630, 1016348), (645, 992712), (665, 962856), (684, 936110), (760, 842499), (774, 827260), (798, 802380), (817, 783720), (840, 762261), (855, 748888), (860, 744534), (903, 709080), (933, 686280), (1032, 620445), (1064, 601785), (1140, 561666), (1197, 534920), (1204, 531810), (1244, 514710), (1260, 508174), (1290, 496356), (1330, 481428), (1368, 468055), (1505, 425448), (1548, 413630), (1555, 411768), (1596, 401190), (1634, 391860), (1710, 374444), (1720, 372267), (1806, 354540), (1866, 343140), (1935, 330904), (1995, 320952), (2177, 294120), (2280, 280833), (2394, 267460), (2408, 265905), (2451, 261240), (2488, 257355), (2520, 254087), (2580, 248178), (2660, 240714), (2709, 236360), (2799, 228760), (3010, 212724), (3096, 206815), (3110, 205884), (3192, 200595), (3268, 195930), (3420, 187222), (3612, 177270), (3732, 171570), (3870, 165452), (3990, 160476), (4085, 156744), (4354, 147060), (4515, 141816), (4665, 137256), (4788, 133730), (4902, 130620), (5160, 124089), (5320, 120357), (5418, 118180), (5598, 114380), (5719, 111960), (5909, 108360), (5985, 106984), (6020, 106362), (6220, 102942), (6531, 98040), (6536, 97965), (6840, 93611), (7224, 88635), (7353, 87080), (7464, 85785), (7740, 82726), (7980, 80238), (8170, 78372), (8708, 73530), (9030, 70908), (9330, 68628), (9576, 66865), (9804, 65310), (10836, 59090), (10885, 58824), (11196, 57190), (11438, 55980), (11818, 54180), (11970, 53492), (12040, 53181), (12255, 52248), (12440, 51471), (13062, 49020), (13373, 47880), (13545, 47272), (13995, 45752), (14706, 43540), (15480, 41363), (15960, 40119), (16340, 39186), (17157, 37320), (17416, 36765), (17727, 36120), (18060, 35454), (18660, 34314), (19593, 32680), (19608, 32655), (21672, 29545), (21770, 29412), (22392, 28595), (22876, 27990), (23636, 27090), (23940, 26746), (24510, 26124)]