12639720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{105331}}^1$

素因数の和:105345

約数の個数: 32

約数和(自身を含む): 37919520

約数和(自身を除く): 25279800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 105331, 210662, 315993, 421324, 526655, 631986, 842648, 1053310, 1263972, 1579965, 2106620, 2527944, 3159930, 4213240, 6319860, 12639720]

約数ペア:

[(1, 12639720), (2, 6319860), (3, 4213240), (4, 3159930), (5, 2527944), (6, 2106620), (8, 1579965), (10, 1263972), (12, 1053310), (15, 842648), (20, 631986), (24, 526655), (30, 421324), (40, 315993), (60, 210662), (120, 105331)]