68365840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2957}}^1$

素因数の和:3004

約数の個数: 60

約数和(自身を含む): 168907716

約数和(自身を除く): 100541876

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 2957, 4624, 5780, 5914, 11560, 11828, 14785, 23120, 23656, 29570, 47312, 50269, 59140, 100538, 118280, 201076, 236560, 251345, 402152, 502690, 804304, 854573, 1005380, 1709146, 2010760, 3418292, 4021520, 4272865, 6836584, 8545730, 13673168, 17091460, 34182920, 68365840]

約数ペア:

[(1, 68365840), (2, 34182920), (4, 17091460), (5, 13673168), (8, 8545730), (10, 6836584), (16, 4272865), (17, 4021520), (20, 3418292), (34, 2010760), (40, 1709146), (68, 1005380), (80, 854573), (85, 804304), (136, 502690), (170, 402152), (272, 251345), (289, 236560), (340, 201076), (578, 118280), (680, 100538), (1156, 59140), (1360, 50269), (1445, 47312), (2312, 29570), (2890, 23656), (2957, 23120), (4624, 14785), (5780, 11828), (5914, 11560)]