1640384625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{727}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 2987292672

約数和(自身を除く): 1346908047

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 547, 727, 825, 1375, 1641, 2181, 2735, 3635, 4125, 6017, 7997, 8205, 10905, 13675, 18051, 18175, 23991, 30085, 39985, 41025, 54525, 68375, 90255, 90875, 119955, 150425, 199925, 205125, 272625, 397669, 451275, 599775, 752125, 999625, 1193007, 1988345, 2256375, 2998875, 4374359, 5965035, 9941725, 13123077, 21871795, 29825175, 49708625, 65615385, 109358975, 149125875, 328076925, 546794875, 1640384625]

約数ペア:

[(1, 1640384625), (3, 546794875), (5, 328076925), (11, 149125875), (15, 109358975), (25, 65615385), (33, 49708625), (55, 29825175), (75, 21871795), (125, 13123077), (165, 9941725), (275, 5965035), (375, 4374359), (547, 2998875), (727, 2256375), (825, 1988345), (1375, 1193007), (1641, 999625), (2181, 752125), (2735, 599775), (3635, 451275), (4125, 397669), (6017, 272625), (7997, 205125), (8205, 199925), (10905, 150425), (13675, 119955), (18051, 90875), (18175, 90255), (23991, 68375), (30085, 54525), (39985, 41025)]