213995280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{891647}}^1$

素因数の和:891663

約数の個数: 40

約数和(自身を含む): 663386112

約数和(自身を除く): 449390832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 891647, 1783294, 2674941, 3566588, 4458235, 5349882, 7133176, 8916470, 10699764, 13374705, 14266352, 17832940, 21399528, 26749410, 35665880, 42799056, 53498820, 71331760, 106997640, 213995280]

約数ペア:

[(1, 213995280), (2, 106997640), (3, 71331760), (4, 53498820), (5, 42799056), (6, 35665880), (8, 26749410), (10, 21399528), (12, 17832940), (15, 14266352), (16, 13374705), (20, 10699764), (24, 8916470), (30, 7133176), (40, 5349882), (48, 4458235), (60, 3566588), (80, 2674941), (120, 1783294), (240, 891647)]