726649840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 1988872704

約数和(自身を除く): 1262222864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 107, 112, 134, 140, 181, 214, 268, 280, 335, 362, 428, 469, 535, 536, 560, 670, 724, 749, 856, 905, 938, 1070, 1072, 1267, 1340, 1448, 1498, 1712, 1810, 1876, 2140, 2345, 2534, 2680, 2896, 2996, 3620, 3745, 3752, 4280, 4690, 5068, 5360, 5992, 6335, 7169, 7240, 7490, 7504, 8560, 9380, 10136, 11984, 12127, 12670, 14338, 14480, 14980, 18760, 19367, 20272, 24254, 25340, 28676, 29960, 35845, 37520, 38734, 48508, 50183, 50680, 57352, 59920, 60635, 71690, 77468, 84889, 96835, 97016, 100366, 101360, 114704, 121270, 135569, 143380, 154936, 169778, 193670, 194032, 200732, 242540, 250915, 271138, 286760, 309872, 339556, 387340, 401464, 424445, 485080, 501830, 542276, 573520, 677845, 679112, 774680, 802928, 848890, 970160, 1003660, 1084552, 1297589, 1355690, 1358224, 1549360, 1697780, 2007320, 2169104, 2595178, 2711380, 3395560, 4014640, 5190356, 5422760, 6487945, 6791120, 9083123, 10380712, 10845520, 12975890, 18166246, 20761424, 25951780, 36332492, 45415615, 51903560, 72664984, 90831230, 103807120, 145329968, 181662460, 363324920, 726649840]

約数ペア:

[(1, 726649840), (2, 363324920), (4, 181662460), (5, 145329968), (7, 103807120), (8, 90831230), (10, 72664984), (14, 51903560), (16, 45415615), (20, 36332492), (28, 25951780), (35, 20761424), (40, 18166246), (56, 12975890), (67, 10845520), (70, 10380712), (80, 9083123), (107, 6791120), (112, 6487945), (134, 5422760), (140, 5190356), (181, 4014640), (214, 3395560), (268, 2711380), (280, 2595178), (335, 2169104), (362, 2007320), (428, 1697780), (469, 1549360), (535, 1358224), (536, 1355690), (560, 1297589), (670, 1084552), (724, 1003660), (749, 970160), (856, 848890), (905, 802928), (938, 774680), (1070, 679112), (1072, 677845), (1267, 573520), (1340, 542276), (1448, 501830), (1498, 485080), (1712, 424445), (1810, 401464), (1876, 387340), (2140, 339556), (2345, 309872), (2534, 286760), (2680, 271138), (2896, 250915), (2996, 242540), (3620, 200732), (3745, 194032), (3752, 193670), (4280, 169778), (4690, 154936), (5068, 143380), (5360, 135569), (5992, 121270), (6335, 114704), (7169, 101360), (7240, 100366), (7490, 97016), (7504, 96835), (8560, 84889), (9380, 77468), (10136, 71690), (11984, 60635), (12127, 59920), (12670, 57352), (14338, 50680), (14480, 50183), (14980, 48508), (18760, 38734), (19367, 37520), (20272, 35845), (24254, 29960), (25340, 28676)]