77661080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39623}}^1$

素因数の和:39648

約数の個数: 48

約数和(自身を含む): 203271120

約数和(自身を除く): 125610040

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, 39623, 79246, 158492, 198115, 277361, 316984, 396230, 554722, 792460, 1109444, 1386805, 1584920, 1941527, 2218888, 2773610, 3883054, 5547220, 7766108, 9707635, 11094440, 15532216, 19415270, 38830540, 77661080]

約数ペア:

[(1, 77661080), (2, 38830540), (4, 19415270), (5, 15532216), (7, 11094440), (8, 9707635), (10, 7766108), (14, 5547220), (20, 3883054), (28, 2773610), (35, 2218888), (40, 1941527), (49, 1584920), (56, 1386805), (70, 1109444), (98, 792460), (140, 554722), (196, 396230), (245, 316984), (280, 277361), (392, 198115), (490, 158492), (980, 79246), (1960, 39623)]