61828840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 144144000

約数和(自身を除く): 82315160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 349, 412, 430, 515, 698, 824, 860, 1030, 1396, 1720, 1745, 2060, 2792, 3490, 4120, 4429, 6980, 8858, 13960, 15007, 17716, 22145, 30014, 35432, 35947, 44290, 60028, 71894, 75035, 88580, 120056, 143788, 150070, 177160, 179735, 287576, 300140, 359470, 600280, 718940, 1437880, 1545721, 3091442, 6182884, 7728605, 12365768, 15457210, 30914420, 61828840]

約数ペア:

[(1, 61828840), (2, 30914420), (4, 15457210), (5, 12365768), (8, 7728605), (10, 6182884), (20, 3091442), (40, 1545721), (43, 1437880), (86, 718940), (103, 600280), (172, 359470), (206, 300140), (215, 287576), (344, 179735), (349, 177160), (412, 150070), (430, 143788), (515, 120056), (698, 88580), (824, 75035), (860, 71894), (1030, 60028), (1396, 44290), (1720, 35947), (1745, 35432), (2060, 30014), (2792, 22145), (3490, 17716), (4120, 15007), (4429, 13960), (6980, 8858)]