231125680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 557580384

約数和(自身を除く): 326454704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 113, 148, 185, 226, 296, 370, 452, 565, 592, 691, 740, 904, 1130, 1382, 1480, 1808, 2260, 2764, 2960, 3455, 4181, 4520, 5528, 6910, 8362, 9040, 11056, 13820, 16724, 20905, 25567, 27640, 33448, 41810, 51134, 55280, 66896, 78083, 83620, 102268, 127835, 156166, 167240, 204536, 255670, 312332, 334480, 390415, 409072, 511340, 624664, 780830, 1022680, 1249328, 1561660, 2045360, 2889071, 3123320, 5778142, 6246640, 11556284, 14445355, 23112568, 28890710, 46225136, 57781420, 115562840, 231125680]

約数ペア:

[(1, 231125680), (2, 115562840), (4, 57781420), (5, 46225136), (8, 28890710), (10, 23112568), (16, 14445355), (20, 11556284), (37, 6246640), (40, 5778142), (74, 3123320), (80, 2889071), (113, 2045360), (148, 1561660), (185, 1249328), (226, 1022680), (296, 780830), (370, 624664), (452, 511340), (565, 409072), (592, 390415), (691, 334480), (740, 312332), (904, 255670), (1130, 204536), (1382, 167240), (1480, 156166), (1808, 127835), (2260, 102268), (2764, 83620), (2960, 78083), (3455, 66896), (4181, 55280), (4520, 51134), (5528, 41810), (6910, 33448), (8362, 27640), (9040, 25567), (11056, 20905), (13820, 16724)]