161375280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5557}}^1$

素因数の和:5595

約数の個数: 120

約数和(自身を含む): 549975216

約数和(自身を除く): 388599936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5557, 5808, 7260, 9680, 11114, 14520, 16671, 22228, 27785, 29040, 33342, 44456, 55570, 61127, 66684, 83355, 88912, 111140, 122254, 133368, 166710, 183381, 222280, 244508, 266736, 305635, 333420, 366762, 444560, 489016, 611270, 666840, 672397, 733524, 916905, 978032, 1222540, 1333680, 1344794, 1467048, 1833810, 2017191, 2445080, 2689588, 2934096, 3361985, 3667620, 4034382, 4890160, 5379176, 6723970, 7335240, 8068764, 10085955, 10758352, 13447940, 14670480, 16137528, 20171910, 26895880, 32275056, 40343820, 53791760, 80687640, 161375280]

約数ペア:

[(1, 161375280), (2, 80687640), (3, 53791760), (4, 40343820), (5, 32275056), (6, 26895880), (8, 20171910), (10, 16137528), (11, 14670480), (12, 13447940), (15, 10758352), (16, 10085955), (20, 8068764), (22, 7335240), (24, 6723970), (30, 5379176), (33, 4890160), (40, 4034382), (44, 3667620), (48, 3361985), (55, 2934096), (60, 2689588), (66, 2445080), (80, 2017191), (88, 1833810), (110, 1467048), (120, 1344794), (121, 1333680), (132, 1222540), (165, 978032), (176, 916905), (220, 733524), (240, 672397), (242, 666840), (264, 611270), (330, 489016), (363, 444560), (440, 366762), (484, 333420), (528, 305635), (605, 266736), (660, 244508), (726, 222280), (880, 183381), (968, 166710), (1210, 133368), (1320, 122254), (1452, 111140), (1815, 88912), (1936, 83355), (2420, 66684), (2640, 61127), (2904, 55570), (3630, 44456), (4840, 33342), (5557, 29040), (5808, 27785), (7260, 22228), (9680, 16671), (11114, 14520)]