280230120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778417}}^1$

素因数の和:778434

約数の個数: 48

約数和(自身を含む): 910749060

約数和(自身を除く): 630518940

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, 778417, 1556834, 2335251, 3113668, 3892085, 4670502, 6227336, 7005753, 7784170, 9341004, 11676255, 14011506, 15568340, 18682008, 23352510, 28023012, 31136680, 35028765, 46705020, 56046024, 70057530, 93410040, 140115060, 280230120]

約数ペア:

[(1, 280230120), (2, 140115060), (3, 93410040), (4, 70057530), (5, 56046024), (6, 46705020), (8, 35028765), (9, 31136680), (10, 28023012), (12, 23352510), (15, 18682008), (18, 15568340), (20, 14011506), (24, 11676255), (30, 9341004), (36, 7784170), (40, 7005753), (45, 6227336), (60, 4670502), (72, 3892085), (90, 3113668), (120, 2335251), (180, 1556834), (360, 778417)]