15398360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20291

約数の個数: 32

約数和(自身を含む): 36471600

約数和(自身を除く): 21073240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20261, 40522, 81044, 101305, 162088, 202610, 384959, 405220, 769918, 810440, 1539836, 1924795, 3079672, 3849590, 7699180, 15398360]

約数ペア:

[(1, 15398360), (2, 7699180), (4, 3849590), (5, 3079672), (8, 1924795), (10, 1539836), (19, 810440), (20, 769918), (38, 405220), (40, 384959), (76, 202610), (95, 162088), (152, 101305), (190, 81044), (380, 40522), (760, 20261)]