128203140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164363}}^1$

素因数の和:164388

約数の個数: 48

約数和(自身を含む): 386584128

約数和(自身を除く): 258380988

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, 164363, 328726, 493089, 657452, 821815, 986178, 1643630, 1972356, 2136719, 2465445, 3287260, 4273438, 4930890, 6410157, 8546876, 9861780, 10683595, 12820314, 21367190, 25640628, 32050785, 42734380, 64101570, 128203140]

約数ペア:

[(1, 128203140), (2, 64101570), (3, 42734380), (4, 32050785), (5, 25640628), (6, 21367190), (10, 12820314), (12, 10683595), (13, 9861780), (15, 8546876), (20, 6410157), (26, 4930890), (30, 4273438), (39, 3287260), (52, 2465445), (60, 2136719), (65, 1972356), (78, 1643630), (130, 986178), (156, 821815), (195, 657452), (260, 493089), (390, 328726), (780, 164363)]