21663120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90263}}^1$

素因数の和:90279

約数の個数: 40

約数和(自身を含む): 67156416

約数和(自身を除く): 45493296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90263, 180526, 270789, 361052, 451315, 541578, 722104, 902630, 1083156, 1353945, 1444208, 1805260, 2166312, 2707890, 3610520, 4332624, 5415780, 7221040, 10831560, 21663120]

約数ペア:

[(1, 21663120), (2, 10831560), (3, 7221040), (4, 5415780), (5, 4332624), (6, 3610520), (8, 2707890), (10, 2166312), (12, 1805260), (15, 1444208), (16, 1353945), (20, 1083156), (24, 902630), (30, 722104), (40, 541578), (48, 451315), (60, 361052), (80, 270789), (120, 180526), (240, 90263)]