15100980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 27355980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 647, 778, 1167, 1294, 1556, 1941, 1945, 2334, 2588, 3235, 3882, 3890, 4668, 5835, 6470, 7764, 7780, 9705, 11670, 12940, 19410, 23340, 38820, 251683, 503366, 755049, 1006732, 1258415, 1510098, 2516830, 3020196, 3775245, 5033660, 7550490, 15100980]

約数ペア:

[(1, 15100980), (2, 7550490), (3, 5033660), (4, 3775245), (5, 3020196), (6, 2516830), (10, 1510098), (12, 1258415), (15, 1006732), (20, 755049), (30, 503366), (60, 251683), (389, 38820), (647, 23340), (778, 19410), (1167, 12940), (1294, 11670), (1556, 9705), (1941, 7780), (1945, 7764), (2334, 6470), (2588, 5835), (3235, 4668), (3882, 3890)]