1281099720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{10675831}}^1$

素因数の和:10675845

約数の個数: 32

約数和(自身を含む): 3843299520

約数和(自身を除く): 2562199800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10675831, 21351662, 32027493, 42703324, 53379155, 64054986, 85406648, 106758310, 128109972, 160137465, 213516620, 256219944, 320274930, 427033240, 640549860, 1281099720]

約数ペア:

[(1, 1281099720), (2, 640549860), (3, 427033240), (4, 320274930), (5, 256219944), (6, 213516620), (8, 160137465), (10, 128109972), (12, 106758310), (15, 85406648), (20, 64054986), (24, 53379155), (30, 42703324), (40, 32027493), (60, 21351662), (120, 10675831)]