78427320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653561}}^1$

素因数の和:653575

約数の個数: 32

約数和(自身を含む): 235282320

約数和(自身を除く): 156855000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653561, 1307122, 1960683, 2614244, 3267805, 3921366, 5228488, 6535610, 7842732, 9803415, 13071220, 15685464, 19606830, 26142440, 39213660, 78427320]

約数ペア:

[(1, 78427320), (2, 39213660), (3, 26142440), (4, 19606830), (5, 15685464), (6, 13071220), (8, 9803415), (10, 7842732), (12, 6535610), (15, 5228488), (20, 3921366), (24, 3267805), (30, 2614244), (40, 1960683), (60, 1307122), (120, 653561)]