254131380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3187}}^1$

素因数の和:3645

約数の個数: 72

約数和(自身を含む): 772847712

約数和(自身を除く): 518716332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 3187, 3987, 4430, 5316, 6374, 6645, 7974, 8860, 9561, 12748, 13290, 15935, 15948, 19122, 19935, 26580, 28683, 31870, 38244, 39870, 47805, 57366, 63740, 79740, 95610, 114732, 143415, 191220, 286830, 573660, 1411841, 2823682, 4235523, 5647364, 7059205, 8471046, 12706569, 14118410, 16942092, 21177615, 25413138, 28236820, 42355230, 50826276, 63532845, 84710460, 127065690, 254131380]

約数ペア:

[(1, 254131380), (2, 127065690), (3, 84710460), (4, 63532845), (5, 50826276), (6, 42355230), (9, 28236820), (10, 25413138), (12, 21177615), (15, 16942092), (18, 14118410), (20, 12706569), (30, 8471046), (36, 7059205), (45, 5647364), (60, 4235523), (90, 2823682), (180, 1411841), (443, 573660), (886, 286830), (1329, 191220), (1772, 143415), (2215, 114732), (2658, 95610), (3187, 79740), (3987, 63740), (4430, 57366), (5316, 47805), (6374, 39870), (6645, 38244), (7974, 31870), (8860, 28683), (9561, 26580), (12748, 19935), (13290, 19122), (15935, 15948)]