1539280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 3642624

約数和(自身を除く): 2103344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 271, 284, 355, 542, 568, 710, 1084, 1136, 1355, 1420, 2168, 2710, 2840, 4336, 5420, 5680, 10840, 19241, 21680, 38482, 76964, 96205, 153928, 192410, 307856, 384820, 769640, 1539280]

約数ペア:

[(1, 1539280), (2, 769640), (4, 384820), (5, 307856), (8, 192410), (10, 153928), (16, 96205), (20, 76964), (40, 38482), (71, 21680), (80, 19241), (142, 10840), (271, 5680), (284, 5420), (355, 4336), (542, 2840), (568, 2710), (710, 2168), (1084, 1420), (1136, 1355)]