67517860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 144648000

約数和(自身を除く): 77130140

約数列:

[1, 2, 4, 5, 10, 20, 139, 149, 163, 278, 298, 326, 556, 596, 652, 695, 745, 815, 1390, 1490, 1630, 2780, 2980, 3260, 20711, 22657, 24287, 41422, 45314, 48574, 82844, 90628, 97148, 103555, 113285, 121435, 207110, 226570, 242870, 414220, 453140, 485740, 3375893, 6751786, 13503572, 16879465, 33758930, 67517860]

約数ペア:

[(1, 67517860), (2, 33758930), (4, 16879465), (5, 13503572), (10, 6751786), (20, 3375893), (139, 485740), (149, 453140), (163, 414220), (278, 242870), (298, 226570), (326, 207110), (556, 121435), (596, 113285), (652, 103555), (695, 97148), (745, 90628), (815, 82844), (1390, 48574), (1490, 45314), (1630, 41422), (2780, 24287), (2980, 22657), (3260, 20711)]