15638420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3019}}^1$

素因数の和:3072

約数の個数: 48

約数和(自身を含む): 38559360

約数和(自身を除く): 22920940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3019, 5180, 6038, 12076, 15095, 21133, 30190, 42266, 60380, 84532, 105665, 111703, 211330, 223406, 422660, 446812, 558515, 781921, 1117030, 1563842, 2234060, 3127684, 3909605, 7819210, 15638420]

約数ペア:

[(1, 15638420), (2, 7819210), (4, 3909605), (5, 3127684), (7, 2234060), (10, 1563842), (14, 1117030), (20, 781921), (28, 558515), (35, 446812), (37, 422660), (70, 223406), (74, 211330), (140, 111703), (148, 105665), (185, 84532), (259, 60380), (370, 42266), (518, 30190), (740, 21133), (1036, 15095), (1295, 12076), (2590, 6038), (3019, 5180)]