27980280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77723}}^1$

素因数の和:77740

約数の個数: 48

約数和(自身を含む): 90937080

約数和(自身を除く): 62956800

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, 77723, 155446, 233169, 310892, 388615, 466338, 621784, 699507, 777230, 932676, 1165845, 1399014, 1554460, 1865352, 2331690, 2798028, 3108920, 3497535, 4663380, 5596056, 6995070, 9326760, 13990140, 27980280]

約数ペア:

[(1, 27980280), (2, 13990140), (3, 9326760), (4, 6995070), (5, 5596056), (6, 4663380), (8, 3497535), (9, 3108920), (10, 2798028), (12, 2331690), (15, 1865352), (18, 1554460), (20, 1399014), (24, 1165845), (30, 932676), (36, 777230), (40, 699507), (45, 621784), (60, 466338), (72, 388615), (90, 310892), (120, 233169), (180, 155446), (360, 77723)]