1540781615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 1971302400

約数和(自身を除く): 430520785

約数列:

[1, 5, 23, 61, 115, 239, 305, 919, 1195, 1403, 4595, 5497, 7015, 14579, 21137, 27485, 56059, 72895, 105685, 219641, 280295, 335317, 1098205, 1289357, 1676585, 5051743, 6446785, 13398101, 25258715, 66990505, 308156323, 1540781615]

約数ペア:

[(1, 1540781615), (5, 308156323), (23, 66990505), (61, 25258715), (115, 13398101), (239, 6446785), (305, 5051743), (919, 1676585), (1195, 1289357), (1403, 1098205), (4595, 335317), (5497, 280295), (7015, 219641), (14579, 105685), (21137, 72895), (27485, 56059)]