64178720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 72

約数和(自身を含む): 156362724

約数和(自身を除く): 92184004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 293, 296, 370, 586, 592, 740, 1172, 1184, 1369, 1465, 1480, 2344, 2738, 2930, 2960, 4688, 5476, 5860, 5920, 6845, 9376, 10841, 10952, 11720, 13690, 21682, 21904, 23440, 27380, 43364, 43808, 46880, 54205, 54760, 86728, 108410, 109520, 173456, 216820, 219040, 346912, 401117, 433640, 802234, 867280, 1604468, 1734560, 2005585, 3208936, 4011170, 6417872, 8022340, 12835744, 16044680, 32089360, 64178720]

約数ペア:

[(1, 64178720), (2, 32089360), (4, 16044680), (5, 12835744), (8, 8022340), (10, 6417872), (16, 4011170), (20, 3208936), (32, 2005585), (37, 1734560), (40, 1604468), (74, 867280), (80, 802234), (148, 433640), (160, 401117), (185, 346912), (293, 219040), (296, 216820), (370, 173456), (586, 109520), (592, 108410), (740, 86728), (1172, 54760), (1184, 54205), (1369, 46880), (1465, 43808), (1480, 43364), (2344, 27380), (2738, 23440), (2930, 21904), (2960, 21682), (4688, 13690), (5476, 11720), (5860, 10952), (5920, 10841), (6845, 9376)]