30639720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 92327040

約数和(自身を除く): 61687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 821, 933, 1244, 1555, 1642, 1866, 2463, 2488, 3110, 3284, 3732, 4105, 4665, 4926, 6220, 6568, 7464, 8210, 9330, 9852, 12315, 12440, 16420, 18660, 19704, 24630, 32840, 37320, 49260, 98520, 255331, 510662, 765993, 1021324, 1276655, 1531986, 2042648, 2553310, 3063972, 3829965, 5106620, 6127944, 7659930, 10213240, 15319860, 30639720]

約数ペア:

[(1, 30639720), (2, 15319860), (3, 10213240), (4, 7659930), (5, 6127944), (6, 5106620), (8, 3829965), (10, 3063972), (12, 2553310), (15, 2042648), (20, 1531986), (24, 1276655), (30, 1021324), (40, 765993), (60, 510662), (120, 255331), (311, 98520), (622, 49260), (821, 37320), (933, 32840), (1244, 24630), (1555, 19704), (1642, 18660), (1866, 16420), (2463, 12440), (2488, 12315), (3110, 9852), (3284, 9330), (3732, 8210), (4105, 7464), (4665, 6568), (4926, 6220)]