87686480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22369}}^1$

素因数の和:22396

約数の個数: 60

約数和(自身を含む): 237166740

約数和(自身を除く): 149480260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22369, 44738, 89476, 111845, 156583, 178952, 223690, 313166, 357904, 447380, 626332, 782915, 894760, 1096081, 1252664, 1565830, 1789520, 2192162, 2505328, 3131660, 4384324, 5480405, 6263320, 8768648, 10960810, 12526640, 17537296, 21921620, 43843240, 87686480]

約数ペア:

[(1, 87686480), (2, 43843240), (4, 21921620), (5, 17537296), (7, 12526640), (8, 10960810), (10, 8768648), (14, 6263320), (16, 5480405), (20, 4384324), (28, 3131660), (35, 2505328), (40, 2192162), (49, 1789520), (56, 1565830), (70, 1252664), (80, 1096081), (98, 894760), (112, 782915), (140, 626332), (196, 447380), (245, 357904), (280, 313166), (392, 223690), (490, 178952), (560, 156583), (784, 111845), (980, 89476), (1960, 44738), (3920, 22369)]