15256580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 33611760

約数和(自身を除く): 18355180

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 389, 530, 740, 778, 1060, 1556, 1945, 1961, 3890, 3922, 7780, 7844, 9805, 14393, 19610, 20617, 28786, 39220, 41234, 57572, 71965, 82468, 103085, 143930, 206170, 287860, 412340, 762829, 1525658, 3051316, 3814145, 7628290, 15256580]

約数ペア:

[(1, 15256580), (2, 7628290), (4, 3814145), (5, 3051316), (10, 1525658), (20, 762829), (37, 412340), (53, 287860), (74, 206170), (106, 143930), (148, 103085), (185, 82468), (212, 71965), (265, 57572), (370, 41234), (389, 39220), (530, 28786), (740, 20617), (778, 19610), (1060, 14393), (1556, 9805), (1945, 7844), (1961, 7780), (3890, 3922)]