1296677920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{261427}}^1$

素因数の和:261473

約数の個数: 48

約数和(自身を含む): 3162233088

約数和(自身を除く): 1865555168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 261427, 522854, 1045708, 1307135, 2091416, 2614270, 4182832, 5228540, 8104237, 8365664, 10457080, 16208474, 20914160, 32416948, 40521185, 41828320, 64833896, 81042370, 129667792, 162084740, 259335584, 324169480, 648338960, 1296677920]

約数ペア:

[(1, 1296677920), (2, 648338960), (4, 324169480), (5, 259335584), (8, 162084740), (10, 129667792), (16, 81042370), (20, 64833896), (31, 41828320), (32, 40521185), (40, 32416948), (62, 20914160), (80, 16208474), (124, 10457080), (155, 8365664), (160, 8104237), (248, 5228540), (310, 4182832), (496, 2614270), (620, 2091416), (992, 1307135), (1240, 1045708), (2480, 522854), (4960, 261427)]