30403240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4762

約数の個数: 64

約数和(自身を含む): 81596160

約数和(自身を除く): 51192920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4721, 6440, 9442, 18884, 23605, 33047, 37768, 47210, 66094, 94420, 108583, 132188, 165235, 188840, 217166, 264376, 330470, 434332, 542915, 660940, 760081, 868664, 1085830, 1321880, 1520162, 2171660, 3040324, 3800405, 4343320, 6080648, 7600810, 15201620, 30403240]

約数ペア:

[(1, 30403240), (2, 15201620), (4, 7600810), (5, 6080648), (7, 4343320), (8, 3800405), (10, 3040324), (14, 2171660), (20, 1520162), (23, 1321880), (28, 1085830), (35, 868664), (40, 760081), (46, 660940), (56, 542915), (70, 434332), (92, 330470), (115, 264376), (140, 217166), (161, 188840), (184, 165235), (230, 132188), (280, 108583), (322, 94420), (460, 66094), (644, 47210), (805, 37768), (920, 33047), (1288, 23605), (1610, 18884), (3220, 9442), (4721, 6440)]