68337640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7922

約数の個数: 64

約数和(自身を含む): 181416960

約数和(自身を除く): 113079320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7873, 8680, 15746, 31492, 39365, 55111, 62984, 78730, 110222, 157460, 220444, 244063, 275555, 314920, 440888, 488126, 551110, 976252, 1102220, 1220315, 1708441, 1952504, 2204440, 2440630, 3416882, 4881260, 6833764, 8542205, 9762520, 13667528, 17084410, 34168820, 68337640]

約数ペア:

[(1, 68337640), (2, 34168820), (4, 17084410), (5, 13667528), (7, 9762520), (8, 8542205), (10, 6833764), (14, 4881260), (20, 3416882), (28, 2440630), (31, 2204440), (35, 1952504), (40, 1708441), (56, 1220315), (62, 1102220), (70, 976252), (124, 551110), (140, 488126), (155, 440888), (217, 314920), (248, 275555), (280, 244063), (310, 220444), (434, 157460), (620, 110222), (868, 78730), (1085, 62984), (1240, 55111), (1736, 39365), (2170, 31492), (4340, 15746), (7873, 8680)]