21753120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45319}}^1$

素因数の和:45337

約数の個数: 48

約数和(自身を含む): 68523840

約数和(自身を除く): 46770720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45319, 90638, 135957, 181276, 226595, 271914, 362552, 453190, 543828, 679785, 725104, 906380, 1087656, 1359570, 1450208, 1812760, 2175312, 2719140, 3625520, 4350624, 5438280, 7251040, 10876560, 21753120]

約数ペア:

[(1, 21753120), (2, 10876560), (3, 7251040), (4, 5438280), (5, 4350624), (6, 3625520), (8, 2719140), (10, 2175312), (12, 1812760), (15, 1450208), (16, 1359570), (20, 1087656), (24, 906380), (30, 725104), (32, 679785), (40, 543828), (48, 453190), (60, 362552), (80, 271914), (96, 226595), (120, 181276), (160, 135957), (240, 90638), (480, 45319)]