15813331340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{102061}}^1$

素因数の和:102258

約数の個数: 48

約数和(自身を含む): 34018489344

約数和(自身を除く): 18205158004

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1220, 1270, 2540, 7747, 15494, 30988, 38735, 77470, 102061, 154940, 204122, 408244, 510305, 1020610, 2041220, 6225721, 12451442, 12961747, 24902884, 25923494, 31128605, 51846988, 62257210, 64808735, 124514420, 129617470, 259234940, 790666567, 1581333134, 3162666268, 3953332835, 7906665670, 15813331340]

約数ペア:

[(1, 15813331340), (2, 7906665670), (4, 3953332835), (5, 3162666268), (10, 1581333134), (20, 790666567), (61, 259234940), (122, 129617470), (127, 124514420), (244, 64808735), (254, 62257210), (305, 51846988), (508, 31128605), (610, 25923494), (635, 24902884), (1220, 12961747), (1270, 12451442), (2540, 6225721), (7747, 2041220), (15494, 1020610), (30988, 510305), (38735, 408244), (77470, 204122), (102061, 154940)]