66947720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{34157}}^1$

素因数の和:34182

約数の個数: 48

約数和(自身を含む): 175230540

約数和(自身を除く): 108282820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 34157, 68314, 136628, 170785, 239099, 273256, 341570, 478198, 683140, 956396, 1195495, 1366280, 1673693, 1912792, 2390990, 3347386, 4781980, 6694772, 8368465, 9563960, 13389544, 16736930, 33473860, 66947720]

約数ペア:

[(1, 66947720), (2, 33473860), (4, 16736930), (5, 13389544), (7, 9563960), (8, 8368465), (10, 6694772), (14, 4781980), (20, 3347386), (28, 2390990), (35, 1912792), (40, 1673693), (49, 1366280), (56, 1195495), (70, 956396), (98, 683140), (140, 478198), (196, 341570), (245, 273256), (280, 239099), (392, 170785), (490, 136628), (980, 68314), (1960, 34157)]