31890390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1037

約数の個数: 64

約数和(自身を含む): 88058880

約数和(自身を除く): 56168490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 210, 362, 543, 839, 905, 1086, 1267, 1678, 1810, 2517, 2534, 2715, 3801, 4195, 5034, 5430, 5873, 6335, 7602, 8390, 11746, 12585, 12670, 17619, 19005, 25170, 29365, 35238, 38010, 58730, 88095, 151859, 176190, 303718, 455577, 759295, 911154, 1063013, 1518590, 2126026, 2277885, 3189039, 4555770, 5315065, 6378078, 10630130, 15945195, 31890390]

約数ペア:

[(1, 31890390), (2, 15945195), (3, 10630130), (5, 6378078), (6, 5315065), (7, 4555770), (10, 3189039), (14, 2277885), (15, 2126026), (21, 1518590), (30, 1063013), (35, 911154), (42, 759295), (70, 455577), (105, 303718), (181, 176190), (210, 151859), (362, 88095), (543, 58730), (839, 38010), (905, 35238), (1086, 29365), (1267, 25170), (1678, 19005), (1810, 17619), (2517, 12670), (2534, 12585), (2715, 11746), (3801, 8390), (4195, 7602), (5034, 6335), (5430, 5873)]