71315680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 180605376

約数和(自身を除く): 109289696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 157, 160, 167, 170, 272, 314, 334, 340, 544, 628, 668, 680, 785, 835, 1256, 1336, 1360, 1570, 1670, 2512, 2669, 2672, 2720, 2839, 3140, 3340, 5024, 5338, 5344, 5678, 6280, 6680, 10676, 11356, 12560, 13345, 13360, 14195, 21352, 22712, 25120, 26219, 26690, 26720, 28390, 42704, 45424, 52438, 53380, 56780, 85408, 90848, 104876, 106760, 113560, 131095, 209752, 213520, 227120, 262190, 419504, 427040, 445723, 454240, 524380, 839008, 891446, 1048760, 1782892, 2097520, 2228615, 3565784, 4195040, 4457230, 7131568, 8914460, 14263136, 17828920, 35657840, 71315680]

約数ペア:

[(1, 71315680), (2, 35657840), (4, 17828920), (5, 14263136), (8, 8914460), (10, 7131568), (16, 4457230), (17, 4195040), (20, 3565784), (32, 2228615), (34, 2097520), (40, 1782892), (68, 1048760), (80, 891446), (85, 839008), (136, 524380), (157, 454240), (160, 445723), (167, 427040), (170, 419504), (272, 262190), (314, 227120), (334, 213520), (340, 209752), (544, 131095), (628, 113560), (668, 106760), (680, 104876), (785, 90848), (835, 85408), (1256, 56780), (1336, 53380), (1360, 52438), (1570, 45424), (1670, 42704), (2512, 28390), (2669, 26720), (2672, 26690), (2720, 26219), (2839, 25120), (3140, 22712), (3340, 21352), (5024, 14195), (5338, 13360), (5344, 13345), (5678, 12560), (6280, 11356), (6680, 10676)]