259365840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 843374592

約数和(自身を除く): 584008752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 155, 186, 213, 240, 248, 284, 310, 355, 372, 426, 465, 491, 496, 568, 620, 710, 744, 852, 930, 982, 1065, 1136, 1240, 1420, 1473, 1488, 1704, 1860, 1964, 2130, 2201, 2455, 2480, 2840, 2946, 3408, 3720, 3928, 4260, 4402, 4910, 5680, 5892, 6603, 7365, 7440, 7856, 8520, 8804, 9820, 11005, 11784, 13206, 14730, 15221, 17040, 17608, 19640, 22010, 23568, 26412, 29460, 30442, 33015, 34861, 35216, 39280, 44020, 45663, 52824, 58920, 60884, 66030, 69722, 76105, 88040, 91326, 104583, 105648, 117840, 121768, 132060, 139444, 152210, 174305, 176080, 182652, 209166, 228315, 243536, 264120, 278888, 304420, 348610, 365304, 418332, 456630, 522915, 528240, 557776, 608840, 697220, 730608, 836664, 913260, 1045830, 1080691, 1217680, 1394440, 1673328, 1826520, 2091660, 2161382, 2788880, 3242073, 3653040, 4183320, 4322764, 5403455, 6484146, 8366640, 8645528, 10806910, 12968292, 16210365, 17291056, 21613820, 25936584, 32420730, 43227640, 51873168, 64841460, 86455280, 129682920, 259365840]

約数ペア:

[(1, 259365840), (2, 129682920), (3, 86455280), (4, 64841460), (5, 51873168), (6, 43227640), (8, 32420730), (10, 25936584), (12, 21613820), (15, 17291056), (16, 16210365), (20, 12968292), (24, 10806910), (30, 8645528), (31, 8366640), (40, 6484146), (48, 5403455), (60, 4322764), (62, 4183320), (71, 3653040), (80, 3242073), (93, 2788880), (120, 2161382), (124, 2091660), (142, 1826520), (155, 1673328), (186, 1394440), (213, 1217680), (240, 1080691), (248, 1045830), (284, 913260), (310, 836664), (355, 730608), (372, 697220), (426, 608840), (465, 557776), (491, 528240), (496, 522915), (568, 456630), (620, 418332), (710, 365304), (744, 348610), (852, 304420), (930, 278888), (982, 264120), (1065, 243536), (1136, 228315), (1240, 209166), (1420, 182652), (1473, 176080), (1488, 174305), (1704, 152210), (1860, 139444), (1964, 132060), (2130, 121768), (2201, 117840), (2455, 105648), (2480, 104583), (2840, 91326), (2946, 88040), (3408, 76105), (3720, 69722), (3928, 66030), (4260, 60884), (4402, 58920), (4910, 52824), (5680, 45663), (5892, 44020), (6603, 39280), (7365, 35216), (7440, 34861), (7856, 33015), (8520, 30442), (8804, 29460), (9820, 26412), (11005, 23568), (11784, 22010), (13206, 19640), (14730, 17608), (15221, 17040)]