15574780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 20622500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1619, 1924, 2405, 3238, 4810, 6476, 8095, 9620, 16190, 21047, 32380, 42094, 59903, 84188, 105235, 119806, 210470, 239612, 299515, 420940, 599030, 778739, 1198060, 1557478, 3114956, 3893695, 7787390, 15574780]

約数ペア:

[(1, 15574780), (2, 7787390), (4, 3893695), (5, 3114956), (10, 1557478), (13, 1198060), (20, 778739), (26, 599030), (37, 420940), (52, 299515), (65, 239612), (74, 210470), (130, 119806), (148, 105235), (185, 84188), (260, 59903), (370, 42094), (481, 32380), (740, 21047), (962, 16190), (1619, 9620), (1924, 8095), (2405, 6476), (3238, 4810)]