21803280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90847}}^1$

素因数の和:90863

約数の個数: 40

約数和(自身を含む): 67590912

約数和(自身を除く): 45787632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90847, 181694, 272541, 363388, 454235, 545082, 726776, 908470, 1090164, 1362705, 1453552, 1816940, 2180328, 2725410, 3633880, 4360656, 5450820, 7267760, 10901640, 21803280]

約数ペア:

[(1, 21803280), (2, 10901640), (3, 7267760), (4, 5450820), (5, 4360656), (6, 3633880), (8, 2725410), (10, 2180328), (12, 1816940), (15, 1453552), (16, 1362705), (20, 1090164), (24, 908470), (30, 726776), (40, 545082), (48, 454235), (60, 363388), (80, 272541), (120, 181694), (240, 90847)]