31217970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2437}}^1$

素因数の和:2515

約数の個数: 64

約数和(自身を含む): 87065856

約数和(自身を除く): 55847886

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1830, 2135, 2437, 2562, 4270, 4874, 6405, 7311, 12185, 12810, 14622, 17059, 24370, 34118, 36555, 51177, 73110, 85295, 102354, 148657, 170590, 255885, 297314, 445971, 511770, 743285, 891942, 1040599, 1486570, 2081198, 2229855, 3121797, 4459710, 5202995, 6243594, 10405990, 15608985, 31217970]

約数ペア:

[(1, 31217970), (2, 15608985), (3, 10405990), (5, 6243594), (6, 5202995), (7, 4459710), (10, 3121797), (14, 2229855), (15, 2081198), (21, 1486570), (30, 1040599), (35, 891942), (42, 743285), (61, 511770), (70, 445971), (105, 297314), (122, 255885), (183, 170590), (210, 148657), (305, 102354), (366, 85295), (427, 73110), (610, 51177), (854, 36555), (915, 34118), (1281, 24370), (1830, 17059), (2135, 14622), (2437, 12810), (2562, 12185), (4270, 7311), (4874, 6405)]