2488978840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1793

約数の個数: 128

約数和(自身を含む): 6210846720

約数和(自身を除く): 3721867880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 71, 85, 124, 136, 142, 155, 170, 248, 284, 310, 340, 355, 527, 568, 620, 680, 710, 1054, 1207, 1240, 1420, 1663, 2108, 2201, 2414, 2635, 2840, 3326, 4216, 4402, 4828, 5270, 6035, 6652, 8315, 8804, 9656, 10540, 11005, 12070, 13304, 16630, 17608, 21080, 22010, 24140, 28271, 33260, 37417, 44020, 48280, 51553, 56542, 66520, 74834, 88040, 103106, 113084, 118073, 141355, 149668, 187085, 206212, 226168, 236146, 257765, 282710, 299336, 374170, 412424, 472292, 515530, 565420, 590365, 748340, 876401, 944584, 1031060, 1130840, 1180730, 1496680, 1752802, 2007241, 2062120, 2361460, 3505604, 3660263, 4014482, 4382005, 4722920, 7011208, 7320526, 8028964, 8764010, 10036205, 14641052, 16057928, 17528020, 18301315, 20072410, 29282104, 35056040, 36602630, 40144820, 62224471, 73205260, 80289640, 124448942, 146410520, 248897884, 311122355, 497795768, 622244710, 1244489420, 2488978840]

約数ペア:

[(1, 2488978840), (2, 1244489420), (4, 622244710), (5, 497795768), (8, 311122355), (10, 248897884), (17, 146410520), (20, 124448942), (31, 80289640), (34, 73205260), (40, 62224471), (62, 40144820), (68, 36602630), (71, 35056040), (85, 29282104), (124, 20072410), (136, 18301315), (142, 17528020), (155, 16057928), (170, 14641052), (248, 10036205), (284, 8764010), (310, 8028964), (340, 7320526), (355, 7011208), (527, 4722920), (568, 4382005), (620, 4014482), (680, 3660263), (710, 3505604), (1054, 2361460), (1207, 2062120), (1240, 2007241), (1420, 1752802), (1663, 1496680), (2108, 1180730), (2201, 1130840), (2414, 1031060), (2635, 944584), (2840, 876401), (3326, 748340), (4216, 590365), (4402, 565420), (4828, 515530), (5270, 472292), (6035, 412424), (6652, 374170), (8315, 299336), (8804, 282710), (9656, 257765), (10540, 236146), (11005, 226168), (12070, 206212), (13304, 187085), (16630, 149668), (17608, 141355), (21080, 118073), (22010, 113084), (24140, 103106), (28271, 88040), (33260, 74834), (37417, 66520), (44020, 56542), (48280, 51553)]