71380845

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 136604160

約数和(自身を除く): 65223315

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 81, 97, 115, 135, 207, 237, 291, 345, 395, 405, 485, 621, 711, 873, 1035, 1185, 1455, 1817, 1863, 2133, 2231, 2619, 3105, 3555, 4365, 5451, 6399, 6693, 7663, 7857, 9085, 9315, 10665, 11155, 13095, 16353, 20079, 22989, 27255, 31995, 33465, 38315, 39285, 49059, 60237, 68967, 81765, 100395, 114945, 147177, 176249, 180711, 206901, 245295, 301185, 344835, 528747, 620703, 735885, 881245, 903555, 1034505, 1586241, 2643735, 3103515, 4758723, 7931205, 14276169, 23793615, 71380845]

約数ペア:

[(1, 71380845), (3, 23793615), (5, 14276169), (9, 7931205), (15, 4758723), (23, 3103515), (27, 2643735), (45, 1586241), (69, 1034505), (79, 903555), (81, 881245), (97, 735885), (115, 620703), (135, 528747), (207, 344835), (237, 301185), (291, 245295), (345, 206901), (395, 180711), (405, 176249), (485, 147177), (621, 114945), (711, 100395), (873, 81765), (1035, 68967), (1185, 60237), (1455, 49059), (1817, 39285), (1863, 38315), (2133, 33465), (2231, 31995), (2619, 27255), (3105, 22989), (3555, 20079), (4365, 16353), (5451, 13095), (6399, 11155), (6693, 10665), (7663, 9315), (7857, 9085)]