261570375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:974

約数の個数: 96

約数和(自身を含む): 537338880

約数和(自身を除く): 275768505

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 125, 165, 207, 225, 253, 275, 345, 375, 495, 575, 759, 825, 919, 1035, 1125, 1265, 1375, 1725, 2277, 2475, 2757, 2875, 3795, 4125, 4595, 5175, 6325, 8271, 8625, 10109, 11385, 12375, 13785, 18975, 21137, 22975, 25875, 30327, 31625, 41355, 50545, 56925, 63411, 68925, 90981, 94875, 105685, 114875, 151635, 190233, 206775, 232507, 252725, 284625, 317055, 344625, 454905, 528425, 697521, 758175, 951165, 1033875, 1162535, 1263625, 1585275, 2092563, 2274525, 2642125, 3487605, 3790875, 4755825, 5812675, 7926375, 10462815, 11372625, 17438025, 23779125, 29063375, 52314075, 87190125, 261570375]

約数ペア:

[(1, 261570375), (3, 87190125), (5, 52314075), (9, 29063375), (11, 23779125), (15, 17438025), (23, 11372625), (25, 10462815), (33, 7926375), (45, 5812675), (55, 4755825), (69, 3790875), (75, 3487605), (99, 2642125), (115, 2274525), (125, 2092563), (165, 1585275), (207, 1263625), (225, 1162535), (253, 1033875), (275, 951165), (345, 758175), (375, 697521), (495, 528425), (575, 454905), (759, 344625), (825, 317055), (919, 284625), (1035, 252725), (1125, 232507), (1265, 206775), (1375, 190233), (1725, 151635), (2277, 114875), (2475, 105685), (2757, 94875), (2875, 90981), (3795, 68925), (4125, 63411), (4595, 56925), (5175, 50545), (6325, 41355), (8271, 31625), (8625, 30327), (10109, 25875), (11385, 22975), (12375, 21137), (13785, 18975)]