31255320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260461}}^1$

素因数の和:260475

約数の個数: 32

約数和(自身を含む): 93766320

約数和(自身を除く): 62511000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260461, 520922, 781383, 1041844, 1302305, 1562766, 2083688, 2604610, 3125532, 3906915, 5209220, 6251064, 7813830, 10418440, 15627660, 31255320]

約数ペア:

[(1, 31255320), (2, 15627660), (3, 10418440), (4, 7813830), (5, 6251064), (6, 5209220), (8, 3906915), (10, 3125532), (12, 2604610), (15, 2083688), (20, 1562766), (24, 1302305), (30, 1041844), (40, 781383), (60, 520922), (120, 260461)]