31423080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20170

約数の個数: 64

約数和(自身を含む): 101525760

約数和(自身を除く): 70102680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20143, 40286, 60429, 80572, 100715, 120858, 161144, 201430, 241716, 261859, 302145, 402860, 483432, 523718, 604290, 785577, 805720, 1047436, 1208580, 1309295, 1571154, 2094872, 2417160, 2618590, 3142308, 3927885, 5237180, 6284616, 7855770, 10474360, 15711540, 31423080]

約数ペア:

[(1, 31423080), (2, 15711540), (3, 10474360), (4, 7855770), (5, 6284616), (6, 5237180), (8, 3927885), (10, 3142308), (12, 2618590), (13, 2417160), (15, 2094872), (20, 1571154), (24, 1309295), (26, 1208580), (30, 1047436), (39, 805720), (40, 785577), (52, 604290), (60, 523718), (65, 483432), (78, 402860), (104, 302145), (120, 261859), (130, 241716), (156, 201430), (195, 161144), (260, 120858), (312, 100715), (390, 80572), (520, 60429), (780, 40286), (1560, 20143)]