31900860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5717}}^1$

素因数の和:5763

約数の個数: 72

約数和(自身を含む): 99904896

約数和(自身を除く): 68004036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 5717, 11434, 17151, 22868, 28585, 34302, 51453, 57170, 68604, 85755, 102906, 114340, 171510, 177227, 205812, 257265, 343020, 354454, 514530, 531681, 708908, 886135, 1029060, 1063362, 1595043, 1772270, 2126724, 2658405, 3190086, 3544540, 5316810, 6380172, 7975215, 10633620, 15950430, 31900860]

約数ペア:

[(1, 31900860), (2, 15950430), (3, 10633620), (4, 7975215), (5, 6380172), (6, 5316810), (9, 3544540), (10, 3190086), (12, 2658405), (15, 2126724), (18, 1772270), (20, 1595043), (30, 1063362), (31, 1029060), (36, 886135), (45, 708908), (60, 531681), (62, 514530), (90, 354454), (93, 343020), (124, 257265), (155, 205812), (180, 177227), (186, 171510), (279, 114340), (310, 102906), (372, 85755), (465, 68604), (558, 57170), (620, 51453), (930, 34302), (1116, 28585), (1395, 22868), (1860, 17151), (2790, 11434), (5580, 5717)]