15144920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7727}}^1$

素因数の和:7752

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 24499720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7727, 15454, 30908, 38635, 54089, 61816, 77270, 108178, 154540, 216356, 270445, 309080, 378623, 432712, 540890, 757246, 1081780, 1514492, 1893115, 2163560, 3028984, 3786230, 7572460, 15144920]

約数ペア:

[(1, 15144920), (2, 7572460), (4, 3786230), (5, 3028984), (7, 2163560), (8, 1893115), (10, 1514492), (14, 1081780), (20, 757246), (28, 540890), (35, 432712), (40, 378623), (49, 309080), (56, 270445), (70, 216356), (98, 154540), (140, 108178), (196, 77270), (245, 61816), (280, 54089), (392, 38635), (490, 30908), (980, 15454), (1960, 7727)]