21880080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30389}}^1$

素因数の和:30408

約数の個数: 60

約数和(自身を含む): 73483020

約数和(自身を除く): 51602940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30389, 60778, 91167, 121556, 151945, 182334, 243112, 273501, 303890, 364668, 455835, 486224, 547002, 607780, 729336, 911670, 1094004, 1215560, 1367505, 1458672, 1823340, 2188008, 2431120, 2735010, 3646680, 4376016, 5470020, 7293360, 10940040, 21880080]

約数ペア:

[(1, 21880080), (2, 10940040), (3, 7293360), (4, 5470020), (5, 4376016), (6, 3646680), (8, 2735010), (9, 2431120), (10, 2188008), (12, 1823340), (15, 1458672), (16, 1367505), (18, 1215560), (20, 1094004), (24, 911670), (30, 729336), (36, 607780), (40, 547002), (45, 486224), (48, 455835), (60, 364668), (72, 303890), (80, 273501), (90, 243112), (120, 182334), (144, 151945), (180, 121556), (240, 91167), (360, 60778), (720, 30389)]