71516080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 172113984

約数和(自身を除く): 100597904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 101, 106, 167, 202, 212, 265, 334, 404, 424, 505, 530, 668, 808, 835, 848, 1010, 1060, 1336, 1616, 1670, 2020, 2120, 2672, 3340, 4040, 4240, 5353, 6680, 8080, 8851, 10706, 13360, 16867, 17702, 21412, 26765, 33734, 35404, 42824, 44255, 53530, 67468, 70808, 84335, 85648, 88510, 107060, 134936, 141616, 168670, 177020, 214120, 269872, 337340, 354040, 428240, 674680, 708080, 893951, 1349360, 1787902, 3575804, 4469755, 7151608, 8939510, 14303216, 17879020, 35758040, 71516080]

約数ペア:

[(1, 71516080), (2, 35758040), (4, 17879020), (5, 14303216), (8, 8939510), (10, 7151608), (16, 4469755), (20, 3575804), (40, 1787902), (53, 1349360), (80, 893951), (101, 708080), (106, 674680), (167, 428240), (202, 354040), (212, 337340), (265, 269872), (334, 214120), (404, 177020), (424, 168670), (505, 141616), (530, 134936), (668, 107060), (808, 88510), (835, 85648), (848, 84335), (1010, 70808), (1060, 67468), (1336, 53530), (1616, 44255), (1670, 42824), (2020, 35404), (2120, 33734), (2672, 26765), (3340, 21412), (4040, 17702), (4240, 16867), (5353, 13360), (6680, 10706), (8080, 8851)]