31155540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 95679360

約数和(自身を除く): 64523820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 390, 590, 677, 708, 767, 780, 885, 1180, 1354, 1534, 1770, 2031, 2301, 2708, 3068, 3385, 3540, 3835, 4062, 4602, 6770, 7670, 8124, 8801, 9204, 10155, 11505, 13540, 15340, 17602, 20310, 23010, 26403, 35204, 39943, 40620, 44005, 46020, 52806, 79886, 88010, 105612, 119829, 132015, 159772, 176020, 199715, 239658, 264030, 399430, 479316, 519259, 528060, 599145, 798860, 1038518, 1198290, 1557777, 2077036, 2396580, 2596295, 3115554, 5192590, 6231108, 7788885, 10385180, 15577770, 31155540]

約数ペア:

[(1, 31155540), (2, 15577770), (3, 10385180), (4, 7788885), (5, 6231108), (6, 5192590), (10, 3115554), (12, 2596295), (13, 2396580), (15, 2077036), (20, 1557777), (26, 1198290), (30, 1038518), (39, 798860), (52, 599145), (59, 528060), (60, 519259), (65, 479316), (78, 399430), (118, 264030), (130, 239658), (156, 199715), (177, 176020), (195, 159772), (236, 132015), (260, 119829), (295, 105612), (354, 88010), (390, 79886), (590, 52806), (677, 46020), (708, 44005), (767, 40620), (780, 39943), (885, 35204), (1180, 26403), (1354, 23010), (1534, 20310), (1770, 17602), (2031, 15340), (2301, 13540), (2708, 11505), (3068, 10155), (3385, 9204), (3540, 8801), (3835, 8124), (4062, 7670), (4602, 6770)]