128483730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20107}}^1$

素因数の和:20191

約数の個数: 48

約数和(自身を含む): 338779584

約数和(自身を除く): 210295854

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 20107, 40214, 60321, 100535, 120642, 180963, 201070, 301605, 361926, 603210, 904815, 1427597, 1809630, 2855194, 4282791, 7137985, 8565582, 12848373, 14275970, 21413955, 25696746, 42827910, 64241865, 128483730]

約数ペア:

[(1, 128483730), (2, 64241865), (3, 42827910), (5, 25696746), (6, 21413955), (9, 14275970), (10, 12848373), (15, 8565582), (18, 7137985), (30, 4282791), (45, 2855194), (71, 1809630), (90, 1427597), (142, 904815), (213, 603210), (355, 361926), (426, 301605), (639, 201070), (710, 180963), (1065, 120642), (1278, 100535), (2130, 60321), (3195, 40214), (6390, 20107)]