87955020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488639}}^1$

素因数の和:488654

約数の個数: 36

約数和(自身を含む): 266797440

約数和(自身を除く): 178842420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488639, 977278, 1465917, 1954556, 2443195, 2931834, 4397751, 4886390, 5863668, 7329585, 8795502, 9772780, 14659170, 17591004, 21988755, 29318340, 43977510, 87955020]

約数ペア:

[(1, 87955020), (2, 43977510), (3, 29318340), (4, 21988755), (5, 17591004), (6, 14659170), (9, 9772780), (10, 8795502), (12, 7329585), (15, 5863668), (18, 4886390), (20, 4397751), (30, 2931834), (36, 2443195), (45, 1954556), (60, 1465917), (90, 977278), (180, 488639)]