71746710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 207028224

約数和(自身を除く): 135281514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 103, 105, 107, 155, 186, 206, 210, 214, 217, 309, 310, 321, 434, 465, 515, 535, 618, 642, 651, 721, 749, 930, 1030, 1070, 1085, 1302, 1442, 1498, 1545, 1605, 2163, 2170, 2247, 3090, 3193, 3210, 3255, 3317, 3605, 3745, 4326, 4494, 6386, 6510, 6634, 7210, 7490, 9579, 9951, 10815, 11021, 11235, 15965, 16585, 19158, 19902, 21630, 22042, 22351, 22470, 23219, 31930, 33063, 33170, 44702, 46438, 47895, 49755, 55105, 66126, 67053, 69657, 77147, 95790, 99510, 110210, 111755, 116095, 134106, 139314, 154294, 165315, 223510, 231441, 232190, 330630, 335265, 341651, 348285, 385735, 462882, 670530, 683302, 696570, 771470, 1024953, 1157205, 1708255, 2049906, 2314410, 2391557, 3416510, 4783114, 5124765, 7174671, 10249530, 11957785, 14349342, 23915570, 35873355, 71746710]

約数ペア:

[(1, 71746710), (2, 35873355), (3, 23915570), (5, 14349342), (6, 11957785), (7, 10249530), (10, 7174671), (14, 5124765), (15, 4783114), (21, 3416510), (30, 2391557), (31, 2314410), (35, 2049906), (42, 1708255), (62, 1157205), (70, 1024953), (93, 771470), (103, 696570), (105, 683302), (107, 670530), (155, 462882), (186, 385735), (206, 348285), (210, 341651), (214, 335265), (217, 330630), (309, 232190), (310, 231441), (321, 223510), (434, 165315), (465, 154294), (515, 139314), (535, 134106), (618, 116095), (642, 111755), (651, 110210), (721, 99510), (749, 95790), (930, 77147), (1030, 69657), (1070, 67053), (1085, 66126), (1302, 55105), (1442, 49755), (1498, 47895), (1545, 46438), (1605, 44702), (2163, 33170), (2170, 33063), (2247, 31930), (3090, 23219), (3193, 22470), (3210, 22351), (3255, 22042), (3317, 21630), (3605, 19902), (3745, 19158), (4326, 16585), (4494, 15965), (6386, 11235), (6510, 11021), (6634, 10815), (7210, 9951), (7490, 9579)]