42720840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{118669}}^1$

素因数の和:118686

約数の個数: 48

約数和(自身を含む): 138843900

約数和(自身を除く): 96123060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 118669, 237338, 356007, 474676, 593345, 712014, 949352, 1068021, 1186690, 1424028, 1780035, 2136042, 2373380, 2848056, 3560070, 4272084, 4746760, 5340105, 7120140, 8544168, 10680210, 14240280, 21360420, 42720840]

約数ペア:

[(1, 42720840), (2, 21360420), (3, 14240280), (4, 10680210), (5, 8544168), (6, 7120140), (8, 5340105), (9, 4746760), (10, 4272084), (12, 3560070), (15, 2848056), (18, 2373380), (20, 2136042), (24, 1780035), (30, 1424028), (36, 1186690), (40, 1068021), (45, 949352), (60, 712014), (72, 593345), (90, 474676), (120, 356007), (180, 237338), (360, 118669)]