30919440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128831}}^1$

素因数の和:128847

約数の個数: 40

約数和(自身を含む): 95851008

約数和(自身を除く): 64931568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128831, 257662, 386493, 515324, 644155, 772986, 1030648, 1288310, 1545972, 1932465, 2061296, 2576620, 3091944, 3864930, 5153240, 6183888, 7729860, 10306480, 15459720, 30919440]

約数ペア:

[(1, 30919440), (2, 15459720), (3, 10306480), (4, 7729860), (5, 6183888), (6, 5153240), (8, 3864930), (10, 3091944), (12, 2576620), (15, 2061296), (16, 1932465), (20, 1545972), (24, 1288310), (30, 1030648), (40, 772986), (48, 644155), (60, 515324), (80, 386493), (120, 257662), (240, 128831)]