128789040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536621}}^1$

素因数の和:536637

約数の個数: 40

約数和(自身を含む): 399246768

約数和(自身を除く): 270457728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536621, 1073242, 1609863, 2146484, 2683105, 3219726, 4292968, 5366210, 6439452, 8049315, 8585936, 10732420, 12878904, 16098630, 21464840, 25757808, 32197260, 42929680, 64394520, 128789040]

約数ペア:

[(1, 128789040), (2, 64394520), (3, 42929680), (4, 32197260), (5, 25757808), (6, 21464840), (8, 16098630), (10, 12878904), (12, 10732420), (15, 8585936), (16, 8049315), (20, 6439452), (24, 5366210), (30, 4292968), (40, 3219726), (48, 2683105), (60, 2146484), (80, 1609863), (120, 1073242), (240, 536621)]