71389260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1993}}^1$

素因数の和:2207

約数の個数: 72

約数和(自身を含む): 217744800

約数和(自身を除く): 146355540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 1993, 2388, 2985, 3582, 3980, 3986, 5970, 5979, 7164, 7972, 8955, 9965, 11940, 11958, 17910, 17937, 19930, 23916, 29895, 35820, 35874, 39860, 59790, 71748, 89685, 119580, 179370, 358740, 396607, 793214, 1189821, 1586428, 1983035, 2379642, 3569463, 3966070, 4759284, 5949105, 7138926, 7932140, 11898210, 14277852, 17847315, 23796420, 35694630, 71389260]

約数ペア:

[(1, 71389260), (2, 35694630), (3, 23796420), (4, 17847315), (5, 14277852), (6, 11898210), (9, 7932140), (10, 7138926), (12, 5949105), (15, 4759284), (18, 3966070), (20, 3569463), (30, 2379642), (36, 1983035), (45, 1586428), (60, 1189821), (90, 793214), (180, 396607), (199, 358740), (398, 179370), (597, 119580), (796, 89685), (995, 71748), (1194, 59790), (1791, 39860), (1990, 35874), (1993, 35820), (2388, 29895), (2985, 23916), (3582, 19930), (3980, 17937), (3986, 17910), (5970, 11958), (5979, 11940), (7164, 9965), (7972, 8955)]