31618020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 102509568

約数和(自身を除く): 70891548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 907, 996, 1162, 1245, 1660, 1743, 1814, 2324, 2490, 2721, 2905, 3486, 3628, 4535, 4980, 5442, 5810, 6349, 6972, 8715, 9070, 10884, 11620, 12698, 13605, 17430, 18140, 19047, 25396, 27210, 31745, 34860, 38094, 54420, 63490, 75281, 76188, 95235, 126980, 150562, 190470, 225843, 301124, 376405, 380940, 451686, 526967, 752810, 903372, 1053934, 1129215, 1505620, 1580901, 2107868, 2258430, 2634835, 3161802, 4516860, 5269670, 6323604, 7904505, 10539340, 15809010, 31618020]

約数ペア:

[(1, 31618020), (2, 15809010), (3, 10539340), (4, 7904505), (5, 6323604), (6, 5269670), (7, 4516860), (10, 3161802), (12, 2634835), (14, 2258430), (15, 2107868), (20, 1580901), (21, 1505620), (28, 1129215), (30, 1053934), (35, 903372), (42, 752810), (60, 526967), (70, 451686), (83, 380940), (84, 376405), (105, 301124), (140, 225843), (166, 190470), (210, 150562), (249, 126980), (332, 95235), (415, 76188), (420, 75281), (498, 63490), (581, 54420), (830, 38094), (907, 34860), (996, 31745), (1162, 27210), (1245, 25396), (1660, 19047), (1743, 18140), (1814, 17430), (2324, 13605), (2490, 12698), (2721, 11620), (2905, 10884), (3486, 9070), (3628, 8715), (4535, 6972), (4980, 6349), (5442, 5810)]