157031875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 264515328

約数和(自身を除く): 107483453

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 175, 251, 275, 325, 385, 455, 625, 715, 875, 1001, 1255, 1375, 1625, 1757, 1925, 2275, 2761, 3263, 3575, 4375, 5005, 6275, 6875, 8125, 8785, 9625, 11375, 13805, 16315, 17875, 19327, 22841, 25025, 31375, 35893, 43925, 48125, 56875, 69025, 81575, 89375, 96635, 114205, 125125, 156875, 179465, 219625, 251251, 345125, 407875, 483175, 571025, 625625, 897325, 1098125, 1256255, 1725625, 2039375, 2415875, 2855125, 4486625, 6281275, 12079375, 14275625, 22433125, 31406375, 157031875]

約数ペア:

[(1, 157031875), (5, 31406375), (7, 22433125), (11, 14275625), (13, 12079375), (25, 6281275), (35, 4486625), (55, 2855125), (65, 2415875), (77, 2039375), (91, 1725625), (125, 1256255), (143, 1098125), (175, 897325), (251, 625625), (275, 571025), (325, 483175), (385, 407875), (455, 345125), (625, 251251), (715, 219625), (875, 179465), (1001, 156875), (1255, 125125), (1375, 114205), (1625, 96635), (1757, 89375), (1925, 81575), (2275, 69025), (2761, 56875), (3263, 48125), (3575, 43925), (4375, 35893), (5005, 31375), (6275, 25025), (6875, 22841), (8125, 19327), (8785, 17875), (9625, 16315), (11375, 13805)]