164150320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 393724800

約数和(自身を除く): 229574480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 149, 188, 235, 293, 298, 376, 470, 586, 596, 745, 752, 940, 1172, 1192, 1465, 1490, 1880, 2344, 2384, 2930, 2980, 3760, 4688, 5860, 5960, 7003, 11720, 11920, 13771, 14006, 23440, 27542, 28012, 35015, 43657, 55084, 56024, 68855, 70030, 87314, 110168, 112048, 137710, 140060, 174628, 218285, 220336, 275420, 280120, 349256, 436570, 550840, 560240, 698512, 873140, 1101680, 1746280, 2051879, 3492560, 4103758, 8207516, 10259395, 16415032, 20518790, 32830064, 41037580, 82075160, 164150320]

約数ペア:

[(1, 164150320), (2, 82075160), (4, 41037580), (5, 32830064), (8, 20518790), (10, 16415032), (16, 10259395), (20, 8207516), (40, 4103758), (47, 3492560), (80, 2051879), (94, 1746280), (149, 1101680), (188, 873140), (235, 698512), (293, 560240), (298, 550840), (376, 436570), (470, 349256), (586, 280120), (596, 275420), (745, 220336), (752, 218285), (940, 174628), (1172, 140060), (1192, 137710), (1465, 112048), (1490, 110168), (1880, 87314), (2344, 70030), (2384, 68855), (2930, 56024), (2980, 55084), (3760, 43657), (4688, 35015), (5860, 28012), (5960, 27542), (7003, 23440), (11720, 14006), (11920, 13771)]