641943660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4975

約数の個数: 96

約数和(自身を含む): 1881944064

約数和(自身を除く): 1240000404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 71, 93, 124, 142, 155, 186, 213, 284, 310, 355, 372, 426, 465, 620, 710, 852, 930, 1065, 1420, 1860, 2130, 2201, 4260, 4402, 4861, 6603, 8804, 9722, 11005, 13206, 14583, 19444, 22010, 24305, 26412, 29166, 33015, 44020, 48610, 58332, 66030, 72915, 97220, 132060, 145830, 150691, 291660, 301382, 345131, 452073, 602764, 690262, 753455, 904146, 1035393, 1380524, 1506910, 1725655, 1808292, 2070786, 2260365, 3013820, 3451310, 4141572, 4520730, 5176965, 6902620, 9041460, 10353930, 10699061, 20707860, 21398122, 32097183, 42796244, 53495305, 64194366, 106990610, 128388732, 160485915, 213981220, 320971830, 641943660]

約数ペア:

[(1, 641943660), (2, 320971830), (3, 213981220), (4, 160485915), (5, 128388732), (6, 106990610), (10, 64194366), (12, 53495305), (15, 42796244), (20, 32097183), (30, 21398122), (31, 20707860), (60, 10699061), (62, 10353930), (71, 9041460), (93, 6902620), (124, 5176965), (142, 4520730), (155, 4141572), (186, 3451310), (213, 3013820), (284, 2260365), (310, 2070786), (355, 1808292), (372, 1725655), (426, 1506910), (465, 1380524), (620, 1035393), (710, 904146), (852, 753455), (930, 690262), (1065, 602764), (1420, 452073), (1860, 345131), (2130, 301382), (2201, 291660), (4260, 150691), (4402, 145830), (4861, 132060), (6603, 97220), (8804, 72915), (9722, 66030), (11005, 58332), (13206, 48610), (14583, 44020), (19444, 33015), (22010, 29166), (24305, 26412)]