31259640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 94181760

約数和(自身を除く): 62922120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 787, 993, 1324, 1574, 1655, 1986, 2361, 2648, 3148, 3310, 3935, 3972, 4722, 4965, 6296, 6620, 7870, 7944, 9444, 9930, 11805, 13240, 15740, 18888, 19860, 23610, 31480, 39720, 47220, 94440, 260497, 520994, 781491, 1041988, 1302485, 1562982, 2083976, 2604970, 3125964, 3907455, 5209940, 6251928, 7814910, 10419880, 15629820, 31259640]

約数ペア:

[(1, 31259640), (2, 15629820), (3, 10419880), (4, 7814910), (5, 6251928), (6, 5209940), (8, 3907455), (10, 3125964), (12, 2604970), (15, 2083976), (20, 1562982), (24, 1302485), (30, 1041988), (40, 781491), (60, 520994), (120, 260497), (331, 94440), (662, 47220), (787, 39720), (993, 31480), (1324, 23610), (1574, 19860), (1655, 18888), (1986, 15740), (2361, 13240), (2648, 11805), (3148, 9930), (3310, 9444), (3935, 7944), (3972, 7870), (4722, 6620), (4965, 6296)]