64211745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 117411840

約数和(自身を除く): 53200095

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 103, 115, 139, 195, 299, 309, 345, 417, 515, 695, 897, 1339, 1495, 1545, 1807, 2085, 2369, 3197, 4017, 4485, 5421, 6695, 7107, 9035, 9591, 11845, 14317, 15985, 20085, 27105, 30797, 35535, 41561, 42951, 47955, 71585, 92391, 124683, 153985, 186121, 207805, 214755, 329291, 461955, 558363, 623415, 930605, 987873, 1646455, 2791815, 4280783, 4939365, 12842349, 21403915, 64211745]

約数ペア:

[(1, 64211745), (3, 21403915), (5, 12842349), (13, 4939365), (15, 4280783), (23, 2791815), (39, 1646455), (65, 987873), (69, 930605), (103, 623415), (115, 558363), (139, 461955), (195, 329291), (299, 214755), (309, 207805), (345, 186121), (417, 153985), (515, 124683), (695, 92391), (897, 71585), (1339, 47955), (1495, 42951), (1545, 41561), (1807, 35535), (2085, 30797), (2369, 27105), (3197, 20085), (4017, 15985), (4485, 14317), (5421, 11845), (6695, 9591), (7107, 9035)]