80415420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1511}}^1$

素因数の和:2410

約数の個数: 48

約数和(自身を含む): 225566208

約数和(自身を除く): 145150788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 887, 1511, 1774, 2661, 3022, 3548, 4435, 4533, 5322, 6044, 7555, 8870, 9066, 10644, 13305, 15110, 17740, 18132, 22665, 26610, 30220, 45330, 53220, 90660, 1340257, 2680514, 4020771, 5361028, 6701285, 8041542, 13402570, 16083084, 20103855, 26805140, 40207710, 80415420]

約数ペア:

[(1, 80415420), (2, 40207710), (3, 26805140), (4, 20103855), (5, 16083084), (6, 13402570), (10, 8041542), (12, 6701285), (15, 5361028), (20, 4020771), (30, 2680514), (60, 1340257), (887, 90660), (1511, 53220), (1774, 45330), (2661, 30220), (3022, 26610), (3548, 22665), (4435, 18132), (4533, 17740), (5322, 15110), (6044, 13305), (7555, 10644), (8870, 9066)]