256230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 745920

約数和(自身を除く): 489690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 90, 117, 130, 135, 146, 195, 219, 234, 270, 351, 365, 390, 438, 585, 657, 702, 730, 949, 1095, 1170, 1314, 1755, 1898, 1971, 2190, 2847, 3285, 3510, 3942, 4745, 5694, 6570, 8541, 9490, 9855, 14235, 17082, 19710, 25623, 28470, 42705, 51246, 85410, 128115, 256230]

約数ペア:

[(1, 256230), (2, 128115), (3, 85410), (5, 51246), (6, 42705), (9, 28470), (10, 25623), (13, 19710), (15, 17082), (18, 14235), (26, 9855), (27, 9490), (30, 8541), (39, 6570), (45, 5694), (54, 4745), (65, 3942), (73, 3510), (78, 3285), (90, 2847), (117, 2190), (130, 1971), (135, 1898), (146, 1755), (195, 1314), (219, 1170), (234, 1095), (270, 949), (351, 730), (365, 702), (390, 657), (438, 585)]