31158120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{757}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 109152000

約数和(自身を除く): 77993880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 757, 840, 980, 1029, 1176, 1372, 1470, 1514, 1715, 1960, 2058, 2271, 2744, 2940, 3028, 3430, 3785, 4116, 4542, 5145, 5299, 5880, 6056, 6860, 7570, 8232, 9084, 10290, 10598, 11355, 13720, 15140, 15897, 18168, 20580, 21196, 22710, 26495, 30280, 31794, 37093, 41160, 42392, 45420, 52990, 63588, 74186, 79485, 90840, 105980, 111279, 127176, 148372, 158970, 185465, 211960, 222558, 259651, 296744, 317940, 370930, 445116, 519302, 556395, 635880, 741860, 778953, 890232, 1038604, 1112790, 1298255, 1483720, 1557906, 2077208, 2225580, 2596510, 3115812, 3894765, 4451160, 5193020, 6231624, 7789530, 10386040, 15579060, 31158120]

約数ペア:

[(1, 31158120), (2, 15579060), (3, 10386040), (4, 7789530), (5, 6231624), (6, 5193020), (7, 4451160), (8, 3894765), (10, 3115812), (12, 2596510), (14, 2225580), (15, 2077208), (20, 1557906), (21, 1483720), (24, 1298255), (28, 1112790), (30, 1038604), (35, 890232), (40, 778953), (42, 741860), (49, 635880), (56, 556395), (60, 519302), (70, 445116), (84, 370930), (98, 317940), (105, 296744), (120, 259651), (140, 222558), (147, 211960), (168, 185465), (196, 158970), (210, 148372), (245, 127176), (280, 111279), (294, 105980), (343, 90840), (392, 79485), (420, 74186), (490, 63588), (588, 52990), (686, 45420), (735, 42392), (757, 41160), (840, 37093), (980, 31794), (1029, 30280), (1176, 26495), (1372, 22710), (1470, 21196), (1514, 20580), (1715, 18168), (1960, 15897), (2058, 15140), (2271, 13720), (2744, 11355), (2940, 10598), (3028, 10290), (3430, 9084), (3785, 8232), (4116, 7570), (4542, 6860), (5145, 6056), (5299, 5880)]