8640120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 26244000

約数和(自身を除く): 17603880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 809, 890, 1068, 1335, 1618, 1780, 2136, 2427, 2670, 3236, 3560, 4045, 4854, 5340, 6472, 8090, 9708, 10680, 12135, 16180, 19416, 24270, 32360, 48540, 72001, 97080, 144002, 216003, 288004, 360005, 432006, 576008, 720010, 864012, 1080015, 1440020, 1728024, 2160030, 2880040, 4320060, 8640120]

約数ペア:

[(1, 8640120), (2, 4320060), (3, 2880040), (4, 2160030), (5, 1728024), (6, 1440020), (8, 1080015), (10, 864012), (12, 720010), (15, 576008), (20, 432006), (24, 360005), (30, 288004), (40, 216003), (60, 144002), (89, 97080), (120, 72001), (178, 48540), (267, 32360), (356, 24270), (445, 19416), (534, 16180), (712, 12135), (809, 10680), (890, 9708), (1068, 8090), (1335, 6472), (1618, 5340), (1780, 4854), (2136, 4045), (2427, 3560), (2670, 3236)]