1815420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 5160960

約数和(自身を除く): 3345540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 383, 395, 474, 766, 790, 948, 1149, 1185, 1532, 1580, 1915, 2298, 2370, 3830, 4596, 4740, 5745, 7660, 11490, 22980, 30257, 60514, 90771, 121028, 151285, 181542, 302570, 363084, 453855, 605140, 907710, 1815420]

約数ペア:

[(1, 1815420), (2, 907710), (3, 605140), (4, 453855), (5, 363084), (6, 302570), (10, 181542), (12, 151285), (15, 121028), (20, 90771), (30, 60514), (60, 30257), (79, 22980), (158, 11490), (237, 7660), (316, 5745), (383, 4740), (395, 4596), (474, 3830), (766, 2370), (790, 2298), (948, 1915), (1149, 1580), (1185, 1532)]