15201620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4760

約数の個数: 48

約数和(自身を含む): 38078208

約数和(自身を除く): 22876588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4721, 9442, 18884, 23605, 33047, 47210, 66094, 94420, 108583, 132188, 165235, 217166, 330470, 434332, 542915, 660940, 760081, 1085830, 1520162, 2171660, 3040324, 3800405, 7600810, 15201620]

約数ペア:

[(1, 15201620), (2, 7600810), (4, 3800405), (5, 3040324), (7, 2171660), (10, 1520162), (14, 1085830), (20, 760081), (23, 660940), (28, 542915), (35, 434332), (46, 330470), (70, 217166), (92, 165235), (115, 132188), (140, 108583), (161, 94420), (230, 66094), (322, 47210), (460, 33047), (644, 23605), (805, 18884), (1610, 9442), (3220, 4721)]