221820840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{616169}}^1$

素因数の和:616186

約数の個数: 48

約数和(自身を含む): 720918900

約数和(自身を除く): 499098060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 616169, 1232338, 1848507, 2464676, 3080845, 3697014, 4929352, 5545521, 6161690, 7394028, 9242535, 11091042, 12323380, 14788056, 18485070, 22182084, 24646760, 27727605, 36970140, 44364168, 55455210, 73940280, 110910420, 221820840]

約数ペア:

[(1, 221820840), (2, 110910420), (3, 73940280), (4, 55455210), (5, 44364168), (6, 36970140), (8, 27727605), (9, 24646760), (10, 22182084), (12, 18485070), (15, 14788056), (18, 12323380), (20, 11091042), (24, 9242535), (30, 7394028), (36, 6161690), (40, 5545521), (45, 4929352), (60, 3697014), (72, 3080845), (90, 2464676), (120, 1848507), (180, 1232338), (360, 616169)]