79556220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2221}}^1$

素因数の和:2435

約数の個数: 72

約数和(自身を含む): 242642400

約数和(自身を除く): 163086180

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, 2221, 2388, 2985, 3582, 3980, 4442, 5970, 6663, 7164, 8884, 8955, 11105, 11940, 13326, 17910, 19989, 22210, 26652, 33315, 35820, 39978, 44420, 66630, 79956, 99945, 133260, 199890, 399780, 441979, 883958, 1325937, 1767916, 2209895, 2651874, 3977811, 4419790, 5303748, 6629685, 7955622, 8839580, 13259370, 15911244, 19889055, 26518740, 39778110, 79556220]

約数ペア:

[(1, 79556220), (2, 39778110), (3, 26518740), (4, 19889055), (5, 15911244), (6, 13259370), (9, 8839580), (10, 7955622), (12, 6629685), (15, 5303748), (18, 4419790), (20, 3977811), (30, 2651874), (36, 2209895), (45, 1767916), (60, 1325937), (90, 883958), (180, 441979), (199, 399780), (398, 199890), (597, 133260), (796, 99945), (995, 79956), (1194, 66630), (1791, 44420), (1990, 39978), (2221, 35820), (2388, 33315), (2985, 26652), (3582, 22210), (3980, 19989), (4442, 17910), (5970, 13326), (6663, 11940), (7164, 11105), (8884, 8955)]