15042820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 34771968

約数和(自身を除く): 19729148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1231, 2444, 2462, 3055, 4924, 6110, 6155, 12220, 12310, 16003, 24620, 32006, 57857, 64012, 80015, 115714, 160030, 231428, 289285, 320060, 578570, 752141, 1157140, 1504282, 3008564, 3760705, 7521410, 15042820]

約数ペア:

[(1, 15042820), (2, 7521410), (4, 3760705), (5, 3008564), (10, 1504282), (13, 1157140), (20, 752141), (26, 578570), (47, 320060), (52, 289285), (65, 231428), (94, 160030), (130, 115714), (188, 80015), (235, 64012), (260, 57857), (470, 32006), (611, 24620), (940, 16003), (1222, 12310), (1231, 12220), (2444, 6155), (2462, 6110), (3055, 4924)]