61440860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 139539456

約数和(自身を除く): 78098596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 617, 766, 1234, 1532, 1915, 2468, 3085, 3830, 4979, 6170, 7660, 8021, 9958, 12340, 16042, 19916, 24895, 32084, 40105, 49790, 80210, 99580, 160420, 236311, 472622, 945244, 1181555, 2363110, 3072043, 4726220, 6144086, 12288172, 15360215, 30720430, 61440860]

約数ペア:

[(1, 61440860), (2, 30720430), (4, 15360215), (5, 12288172), (10, 6144086), (13, 4726220), (20, 3072043), (26, 2363110), (52, 1181555), (65, 945244), (130, 472622), (260, 236311), (383, 160420), (617, 99580), (766, 80210), (1234, 49790), (1532, 40105), (1915, 32084), (2468, 24895), (3085, 19916), (3830, 16042), (4979, 12340), (6170, 9958), (7660, 8021)]