261232680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2176939}}^1$

素因数の和:2176953

約数の個数: 32

約数和(自身を含む): 783698400

約数和(自身を除く): 522465720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2176939, 4353878, 6530817, 8707756, 10884695, 13061634, 17415512, 21769390, 26123268, 32654085, 43538780, 52246536, 65308170, 87077560, 130616340, 261232680]

約数ペア:

[(1, 261232680), (2, 130616340), (3, 87077560), (4, 65308170), (5, 52246536), (6, 43538780), (8, 32654085), (10, 26123268), (12, 21769390), (15, 17415512), (20, 13061634), (24, 10884695), (30, 8707756), (40, 6530817), (60, 4353878), (120, 2176939)]