160408880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 390832128

約数和(自身を除く): 230423248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 911, 1136, 1240, 1420, 1822, 2201, 2480, 2840, 3644, 4402, 4555, 5680, 7288, 8804, 9110, 11005, 14576, 17608, 18220, 22010, 28241, 35216, 36440, 44020, 56482, 64681, 72880, 88040, 112964, 129362, 141205, 176080, 225928, 258724, 282410, 323405, 451856, 517448, 564820, 646810, 1034896, 1129640, 1293620, 2005111, 2259280, 2587240, 4010222, 5174480, 8020444, 10025555, 16040888, 20051110, 32081776, 40102220, 80204440, 160408880]

約数ペア:

[(1, 160408880), (2, 80204440), (4, 40102220), (5, 32081776), (8, 20051110), (10, 16040888), (16, 10025555), (20, 8020444), (31, 5174480), (40, 4010222), (62, 2587240), (71, 2259280), (80, 2005111), (124, 1293620), (142, 1129640), (155, 1034896), (248, 646810), (284, 564820), (310, 517448), (355, 451856), (496, 323405), (568, 282410), (620, 258724), (710, 225928), (911, 176080), (1136, 141205), (1240, 129362), (1420, 112964), (1822, 88040), (2201, 72880), (2480, 64681), (2840, 56482), (3644, 44020), (4402, 36440), (4555, 35216), (5680, 28241), (7288, 22010), (8804, 18220), (9110, 17608), (11005, 14576)]