72280160

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2141}}^1$

素因数の和:2367

約数の個数: 48

約数和(自身を含む): 171651312

約数和(自身を除く): 99371152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 2141, 3376, 4220, 4282, 6752, 8440, 8564, 10705, 16880, 17128, 21410, 33760, 34256, 42820, 68512, 85640, 171280, 342560, 451751, 903502, 1807004, 2258755, 3614008, 4517510, 7228016, 9035020, 14456032, 18070040, 36140080, 72280160]

約数ペア:

[(1, 72280160), (2, 36140080), (4, 18070040), (5, 14456032), (8, 9035020), (10, 7228016), (16, 4517510), (20, 3614008), (32, 2258755), (40, 1807004), (80, 903502), (160, 451751), (211, 342560), (422, 171280), (844, 85640), (1055, 68512), (1688, 42820), (2110, 34256), (2141, 33760), (3376, 21410), (4220, 17128), (4282, 16880), (6752, 10705), (8440, 8564)]