80776620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1013}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 245817936

約数和(自身を除く): 165041316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1013, 1329, 1772, 2026, 2215, 2658, 3039, 3987, 4052, 4430, 5065, 5316, 6078, 6645, 7974, 8860, 9117, 10130, 12156, 13290, 15195, 15948, 18234, 19935, 20260, 26580, 30390, 36468, 39870, 45585, 60780, 79740, 91170, 182340, 448759, 897518, 1346277, 1795036, 2243795, 2692554, 4038831, 4487590, 5385108, 6731385, 8077662, 8975180, 13462770, 16155324, 20194155, 26925540, 40388310, 80776620]

約数ペア:

[(1, 80776620), (2, 40388310), (3, 26925540), (4, 20194155), (5, 16155324), (6, 13462770), (9, 8975180), (10, 8077662), (12, 6731385), (15, 5385108), (18, 4487590), (20, 4038831), (30, 2692554), (36, 2243795), (45, 1795036), (60, 1346277), (90, 897518), (180, 448759), (443, 182340), (886, 91170), (1013, 79740), (1329, 60780), (1772, 45585), (2026, 39870), (2215, 36468), (2658, 30390), (3039, 26580), (3987, 20260), (4052, 19935), (4430, 18234), (5065, 15948), (5316, 15195), (6078, 13290), (6645, 12156), (7974, 10130), (8860, 9117)]