255681270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218531}}^1$

素因数の和:218557

約数の個数: 48

約数和(自身を含む): 715910832

約数和(自身を除く): 460229562

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 218531, 437062, 655593, 1092655, 1311186, 1966779, 2185310, 2840903, 3277965, 3933558, 5681806, 6555930, 8522709, 9833895, 14204515, 17045418, 19667790, 25568127, 28409030, 42613545, 51136254, 85227090, 127840635, 255681270]

約数ペア:

[(1, 255681270), (2, 127840635), (3, 85227090), (5, 51136254), (6, 42613545), (9, 28409030), (10, 25568127), (13, 19667790), (15, 17045418), (18, 14204515), (26, 9833895), (30, 8522709), (39, 6555930), (45, 5681806), (65, 3933558), (78, 3277965), (90, 2840903), (117, 2185310), (130, 1966779), (195, 1311186), (234, 1092655), (390, 655593), (585, 437062), (1170, 218531)]