74827980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2089}}^1$

素因数の和:2303

約数の個数: 72

約数和(自身を含む): 228228000

約数和(自身を除く): 153400020

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, 2089, 2388, 2985, 3582, 3980, 4178, 5970, 6267, 7164, 8356, 8955, 10445, 11940, 12534, 17910, 18801, 20890, 25068, 31335, 35820, 37602, 41780, 62670, 75204, 94005, 125340, 188010, 376020, 415711, 831422, 1247133, 1662844, 2078555, 2494266, 3741399, 4157110, 4988532, 6235665, 7482798, 8314220, 12471330, 14965596, 18706995, 24942660, 37413990, 74827980]

約数ペア:

[(1, 74827980), (2, 37413990), (3, 24942660), (4, 18706995), (5, 14965596), (6, 12471330), (9, 8314220), (10, 7482798), (12, 6235665), (15, 4988532), (18, 4157110), (20, 3741399), (30, 2494266), (36, 2078555), (45, 1662844), (60, 1247133), (90, 831422), (180, 415711), (199, 376020), (398, 188010), (597, 125340), (796, 94005), (995, 75204), (1194, 62670), (1791, 41780), (1990, 37602), (2089, 35820), (2388, 31335), (2985, 25068), (3582, 20890), (3980, 18801), (4178, 17910), (5970, 12534), (6267, 11940), (7164, 10445), (8356, 8955)]