129955020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166609}}^1$

素因数の和:166634

約数の個数: 48

約数和(自身を含む): 391866720

約数和(自身を除く): 261911700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 166609, 333218, 499827, 666436, 833045, 999654, 1666090, 1999308, 2165917, 2499135, 3332180, 4331834, 4998270, 6497751, 8663668, 9996540, 10829585, 12995502, 21659170, 25991004, 32488755, 43318340, 64977510, 129955020]

約数ペア:

[(1, 129955020), (2, 64977510), (3, 43318340), (4, 32488755), (5, 25991004), (6, 21659170), (10, 12995502), (12, 10829585), (13, 9996540), (15, 8663668), (20, 6497751), (26, 4998270), (30, 4331834), (39, 3332180), (52, 2499135), (60, 2165917), (65, 1999308), (78, 1666090), (130, 999654), (156, 833045), (195, 666436), (260, 499827), (390, 333218), (780, 166609)]