1640376420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 4645917696

約数和(自身を除く): 3005541276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 331, 453, 547, 604, 662, 755, 906, 993, 1094, 1324, 1510, 1641, 1655, 1812, 1986, 2188, 2265, 2735, 3020, 3282, 3310, 3972, 4530, 4965, 5470, 6564, 6620, 8205, 9060, 9930, 10940, 16410, 19860, 32820, 49981, 82597, 99962, 149943, 165194, 181057, 199924, 247791, 249905, 299886, 330388, 362114, 412985, 495582, 499810, 543171, 599772, 724228, 749715, 825970, 905285, 991164, 999620, 1086342, 1238955, 1499430, 1651940, 1810570, 2172684, 2477910, 2715855, 2998860, 3621140, 4955820, 5431710, 10863420, 27339607, 54679214, 82018821, 109358428, 136698035, 164037642, 273396070, 328075284, 410094105, 546792140, 820188210, 1640376420]

約数ペア:

[(1, 1640376420), (2, 820188210), (3, 546792140), (4, 410094105), (5, 328075284), (6, 273396070), (10, 164037642), (12, 136698035), (15, 109358428), (20, 82018821), (30, 54679214), (60, 27339607), (151, 10863420), (302, 5431710), (331, 4955820), (453, 3621140), (547, 2998860), (604, 2715855), (662, 2477910), (755, 2172684), (906, 1810570), (993, 1651940), (1094, 1499430), (1324, 1238955), (1510, 1086342), (1641, 999620), (1655, 991164), (1812, 905285), (1986, 825970), (2188, 749715), (2265, 724228), (2735, 599772), (3020, 543171), (3282, 499810), (3310, 495582), (3972, 412985), (4530, 362114), (4965, 330388), (5470, 299886), (6564, 249905), (6620, 247791), (8205, 199924), (9060, 181057), (9930, 165194), (10940, 149943), (16410, 99962), (19860, 82597), (32820, 49981)]