6460640

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 15422400

約数和(自身を除く): 8961760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 271, 298, 542, 596, 745, 1084, 1192, 1355, 1490, 2168, 2384, 2710, 2980, 4336, 4768, 5420, 5960, 8672, 10840, 11920, 21680, 23840, 40379, 43360, 80758, 161516, 201895, 323032, 403790, 646064, 807580, 1292128, 1615160, 3230320, 6460640]

約数ペア:

[(1, 6460640), (2, 3230320), (4, 1615160), (5, 1292128), (8, 807580), (10, 646064), (16, 403790), (20, 323032), (32, 201895), (40, 161516), (80, 80758), (149, 43360), (160, 40379), (271, 23840), (298, 21680), (542, 11920), (596, 10840), (745, 8672), (1084, 5960), (1192, 5420), (1355, 4768), (1490, 4336), (2168, 2980), (2384, 2710)]