61639440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{256831}}^1$

素因数の和:256847

約数の個数: 40

約数和(自身を含む): 191083008

約数和(自身を除く): 129443568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 256831, 513662, 770493, 1027324, 1284155, 1540986, 2054648, 2568310, 3081972, 3852465, 4109296, 5136620, 6163944, 7704930, 10273240, 12327888, 15409860, 20546480, 30819720, 61639440]

約数ペア:

[(1, 61639440), (2, 30819720), (3, 20546480), (4, 15409860), (5, 12327888), (6, 10273240), (8, 7704930), (10, 6163944), (12, 5136620), (15, 4109296), (16, 3852465), (20, 3081972), (24, 2568310), (30, 2054648), (40, 1540986), (48, 1284155), (60, 1027324), (80, 770493), (120, 513662), (240, 256831)]