40986180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2089}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 125525400

約数和(自身を除く): 84539220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2089, 2180, 3270, 3924, 4178, 4905, 6267, 6540, 8356, 9810, 10445, 12534, 18801, 19620, 20890, 25068, 31335, 37602, 41780, 62670, 75204, 94005, 125340, 188010, 227701, 376020, 455402, 683103, 910804, 1138505, 1366206, 2049309, 2277010, 2732412, 3415515, 4098618, 4554020, 6831030, 8197236, 10246545, 13662060, 20493090, 40986180]

約数ペア:

[(1, 40986180), (2, 20493090), (3, 13662060), (4, 10246545), (5, 8197236), (6, 6831030), (9, 4554020), (10, 4098618), (12, 3415515), (15, 2732412), (18, 2277010), (20, 2049309), (30, 1366206), (36, 1138505), (45, 910804), (60, 683103), (90, 455402), (109, 376020), (180, 227701), (218, 188010), (327, 125340), (436, 94005), (545, 75204), (654, 62670), (981, 41780), (1090, 37602), (1308, 31335), (1635, 25068), (1962, 20890), (2089, 19620), (2180, 18801), (3270, 12534), (3924, 10445), (4178, 9810), (4905, 8356), (6267, 6540)]