27981240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33311}}^1$

素因数の和:33332

約数の個数: 64

約数和(自身を含む): 95938560

約数和(自身を除く): 67957320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33311, 66622, 99933, 133244, 166555, 199866, 233177, 266488, 333110, 399732, 466354, 499665, 666220, 699531, 799464, 932708, 999330, 1165885, 1332440, 1399062, 1865416, 1998660, 2331770, 2798124, 3497655, 3997320, 4663540, 5596248, 6995310, 9327080, 13990620, 27981240]

約数ペア:

[(1, 27981240), (2, 13990620), (3, 9327080), (4, 6995310), (5, 5596248), (6, 4663540), (7, 3997320), (8, 3497655), (10, 2798124), (12, 2331770), (14, 1998660), (15, 1865416), (20, 1399062), (21, 1332440), (24, 1165885), (28, 999330), (30, 932708), (35, 799464), (40, 699531), (42, 666220), (56, 499665), (60, 466354), (70, 399732), (84, 333110), (105, 266488), (120, 233177), (140, 199866), (168, 166555), (210, 133244), (280, 99933), (420, 66622), (840, 33311)]