31011540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1637

約数の個数: 96

約数和(自身を含む): 101412864

約数和(自身を除く): 70401324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1571, 1645, 1974, 2820, 3142, 3290, 3948, 4713, 4935, 6284, 6580, 7855, 9426, 9870, 10997, 15710, 18852, 19740, 21994, 23565, 31420, 32991, 43988, 47130, 54985, 65982, 73837, 94260, 109970, 131964, 147674, 164955, 219940, 221511, 295348, 329910, 369185, 443022, 516859, 659820, 738370, 886044, 1033718, 1107555, 1476740, 1550577, 2067436, 2215110, 2584295, 3101154, 4430220, 5168590, 6202308, 7752885, 10337180, 15505770, 31011540]

約数ペア:

[(1, 31011540), (2, 15505770), (3, 10337180), (4, 7752885), (5, 6202308), (6, 5168590), (7, 4430220), (10, 3101154), (12, 2584295), (14, 2215110), (15, 2067436), (20, 1550577), (21, 1476740), (28, 1107555), (30, 1033718), (35, 886044), (42, 738370), (47, 659820), (60, 516859), (70, 443022), (84, 369185), (94, 329910), (105, 295348), (140, 221511), (141, 219940), (188, 164955), (210, 147674), (235, 131964), (282, 109970), (329, 94260), (420, 73837), (470, 65982), (564, 54985), (658, 47130), (705, 43988), (940, 32991), (987, 31420), (1316, 23565), (1410, 21994), (1571, 19740), (1645, 18852), (1974, 15710), (2820, 10997), (3142, 9870), (3290, 9426), (3948, 7855), (4713, 6580), (4935, 6284)]