864555960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{71333}}^1$

素因数の和:71448

約数の個数: 64

約数和(自身を含む): 2619384480

約数和(自身を除く): 1754828520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 71333, 142666, 213999, 285332, 356665, 427998, 570664, 713330, 855996, 1069995, 1426660, 1711992, 2139990, 2853320, 4279980, 7204633, 8559960, 14409266, 21613899, 28818532, 36023165, 43227798, 57637064, 72046330, 86455596, 108069495, 144092660, 172911192, 216138990, 288185320, 432277980, 864555960]

約数ペア:

[(1, 864555960), (2, 432277980), (3, 288185320), (4, 216138990), (5, 172911192), (6, 144092660), (8, 108069495), (10, 86455596), (12, 72046330), (15, 57637064), (20, 43227798), (24, 36023165), (30, 28818532), (40, 21613899), (60, 14409266), (101, 8559960), (120, 7204633), (202, 4279980), (303, 2853320), (404, 2139990), (505, 1711992), (606, 1426660), (808, 1069995), (1010, 855996), (1212, 713330), (1515, 570664), (2020, 427998), (2424, 356665), (3030, 285332), (4040, 213999), (6060, 142666), (12120, 71333)]