261623730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1657}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 663730560

約数和(自身を除く): 402106830

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 277, 285, 554, 570, 831, 1385, 1657, 1662, 2770, 3314, 4155, 4971, 5263, 8285, 8310, 9942, 10526, 15789, 16570, 24855, 26315, 31483, 31578, 49710, 52630, 62966, 78945, 94449, 157415, 157890, 188898, 314830, 458989, 472245, 917978, 944490, 1376967, 2294945, 2753934, 4589890, 6884835, 8720791, 13769670, 17441582, 26162373, 43603955, 52324746, 87207910, 130811865, 261623730]

約数ペア:

[(1, 261623730), (2, 130811865), (3, 87207910), (5, 52324746), (6, 43603955), (10, 26162373), (15, 17441582), (19, 13769670), (30, 8720791), (38, 6884835), (57, 4589890), (95, 2753934), (114, 2294945), (190, 1376967), (277, 944490), (285, 917978), (554, 472245), (570, 458989), (831, 314830), (1385, 188898), (1657, 157890), (1662, 157415), (2770, 94449), (3314, 78945), (4155, 62966), (4971, 52630), (5263, 49710), (8285, 31578), (8310, 31483), (9942, 26315), (10526, 24855), (15789, 16570)]