15028240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9887}}^1$

素因数の和:9919

約数の個数: 40

約数和(自身を含む): 36783360

約数和(自身を除く): 21755120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 9887, 19774, 39548, 49435, 79096, 98870, 158192, 187853, 197740, 375706, 395480, 751412, 790960, 939265, 1502824, 1878530, 3005648, 3757060, 7514120, 15028240]

約数ペア:

[(1, 15028240), (2, 7514120), (4, 3757060), (5, 3005648), (8, 1878530), (10, 1502824), (16, 939265), (19, 790960), (20, 751412), (38, 395480), (40, 375706), (76, 197740), (80, 187853), (95, 158192), (152, 98870), (190, 79096), (304, 49435), (380, 39548), (760, 19774), (1520, 9887)]