31717980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2797}}^1$

素因数の和:2825

約数の個数: 120

約数和(自身を含む): 113755488

約数和(自身を除く): 82037508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2797, 2835, 3780, 5594, 5670, 8391, 11188, 11340, 13985, 16782, 19579, 25173, 27970, 33564, 39158, 41955, 50346, 55940, 58737, 75519, 78316, 83910, 97895, 100692, 117474, 125865, 151038, 167820, 176211, 195790, 226557, 234948, 251730, 293685, 302076, 352422, 377595, 391580, 453114, 503460, 528633, 587370, 704844, 755190, 881055, 906228, 1057266, 1132785, 1174740, 1510380, 1585899, 1762110, 2114532, 2265570, 2643165, 3171798, 3524220, 4531140, 5286330, 6343596, 7929495, 10572660, 15858990, 31717980]

約数ペア:

[(1, 31717980), (2, 15858990), (3, 10572660), (4, 7929495), (5, 6343596), (6, 5286330), (7, 4531140), (9, 3524220), (10, 3171798), (12, 2643165), (14, 2265570), (15, 2114532), (18, 1762110), (20, 1585899), (21, 1510380), (27, 1174740), (28, 1132785), (30, 1057266), (35, 906228), (36, 881055), (42, 755190), (45, 704844), (54, 587370), (60, 528633), (63, 503460), (70, 453114), (81, 391580), (84, 377595), (90, 352422), (105, 302076), (108, 293685), (126, 251730), (135, 234948), (140, 226557), (162, 195790), (180, 176211), (189, 167820), (210, 151038), (252, 125865), (270, 117474), (315, 100692), (324, 97895), (378, 83910), (405, 78316), (420, 75519), (540, 58737), (567, 55940), (630, 50346), (756, 41955), (810, 39158), (945, 33564), (1134, 27970), (1260, 25173), (1620, 19579), (1890, 16782), (2268, 13985), (2797, 11340), (2835, 11188), (3780, 8391), (5594, 5670)]