15566820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 43763328

約数和(自身を除く): 28196508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 647, 802, 1203, 1294, 1604, 1941, 2005, 2406, 2588, 3235, 3882, 4010, 4812, 6015, 6470, 7764, 8020, 9705, 12030, 12940, 19410, 24060, 38820, 259447, 518894, 778341, 1037788, 1297235, 1556682, 2594470, 3113364, 3891705, 5188940, 7783410, 15566820]

約数ペア:

[(1, 15566820), (2, 7783410), (3, 5188940), (4, 3891705), (5, 3113364), (6, 2594470), (10, 1556682), (12, 1297235), (15, 1037788), (20, 778341), (30, 518894), (60, 259447), (401, 38820), (647, 24060), (802, 19410), (1203, 12940), (1294, 12030), (1604, 9705), (1941, 8020), (2005, 7764), (2406, 6470), (2588, 6015), (3235, 4812), (3882, 4010)]