81972360

素因数分解:

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

素因数の和:2215

約数の個数: 96

約数和(自身を含む): 268983000

約数和(自身を除く): 187010640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 2089, 2180, 2616, 3270, 3924, 4178, 4360, 4905, 6267, 6540, 7848, 8356, 9810, 10445, 12534, 13080, 16712, 18801, 19620, 20890, 25068, 31335, 37602, 39240, 41780, 50136, 62670, 75204, 83560, 94005, 125340, 150408, 188010, 227701, 250680, 376020, 455402, 683103, 752040, 910804, 1138505, 1366206, 1821608, 2049309, 2277010, 2732412, 3415515, 4098618, 4554020, 5464824, 6831030, 8197236, 9108040, 10246545, 13662060, 16394472, 20493090, 27324120, 40986180, 81972360]

約数ペア:

[(1, 81972360), (2, 40986180), (3, 27324120), (4, 20493090), (5, 16394472), (6, 13662060), (8, 10246545), (9, 9108040), (10, 8197236), (12, 6831030), (15, 5464824), (18, 4554020), (20, 4098618), (24, 3415515), (30, 2732412), (36, 2277010), (40, 2049309), (45, 1821608), (60, 1366206), (72, 1138505), (90, 910804), (109, 752040), (120, 683103), (180, 455402), (218, 376020), (327, 250680), (360, 227701), (436, 188010), (545, 150408), (654, 125340), (872, 94005), (981, 83560), (1090, 75204), (1308, 62670), (1635, 50136), (1962, 41780), (2089, 39240), (2180, 37602), (2616, 31335), (3270, 25068), (3924, 20890), (4178, 19620), (4360, 18801), (4905, 16712), (6267, 13080), (6540, 12534), (7848, 10445), (8356, 9810)]