20161590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30157770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 79, 94, 141, 158, 181, 235, 237, 282, 362, 395, 470, 474, 543, 705, 790, 905, 1086, 1185, 1410, 1810, 2370, 2715, 3713, 5430, 7426, 8507, 11139, 14299, 17014, 18565, 22278, 25521, 28598, 37130, 42535, 42897, 51042, 55695, 71495, 85070, 85794, 111390, 127605, 142990, 214485, 255210, 428970, 672053, 1344106, 2016159, 3360265, 4032318, 6720530, 10080795, 20161590]

約数ペア:

[(1, 20161590), (2, 10080795), (3, 6720530), (5, 4032318), (6, 3360265), (10, 2016159), (15, 1344106), (30, 672053), (47, 428970), (79, 255210), (94, 214485), (141, 142990), (158, 127605), (181, 111390), (235, 85794), (237, 85070), (282, 71495), (362, 55695), (395, 51042), (470, 42897), (474, 42535), (543, 37130), (705, 28598), (790, 25521), (905, 22278), (1086, 18565), (1185, 17014), (1410, 14299), (1810, 11139), (2370, 8507), (2715, 7426), (3713, 5430)]