80880975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 167712480

約数和(自身を除く): 86831505

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 89, 105, 175, 225, 267, 315, 445, 525, 577, 623, 801, 1335, 1575, 1731, 1869, 2225, 2885, 3115, 4005, 4039, 5193, 5607, 6675, 8655, 9345, 12117, 14425, 15575, 20025, 20195, 25965, 28035, 36351, 43275, 46725, 51353, 60585, 100975, 129825, 140175, 154059, 181755, 256765, 302925, 359471, 462177, 770295, 908775, 1078413, 1283825, 1797355, 2310885, 3235239, 3851475, 5392065, 8986775, 11554425, 16176195, 26960325, 80880975]

約数ペア:

[(1, 80880975), (3, 26960325), (5, 16176195), (7, 11554425), (9, 8986775), (15, 5392065), (21, 3851475), (25, 3235239), (35, 2310885), (45, 1797355), (63, 1283825), (75, 1078413), (89, 908775), (105, 770295), (175, 462177), (225, 359471), (267, 302925), (315, 256765), (445, 181755), (525, 154059), (577, 140175), (623, 129825), (801, 100975), (1335, 60585), (1575, 51353), (1731, 46725), (1869, 43275), (2225, 36351), (2885, 28035), (3115, 25965), (4005, 20195), (4039, 20025), (5193, 15575), (5607, 14425), (6675, 12117), (8655, 9345)]