81293460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5669}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 228614400

約数和(自身を除く): 147320940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 5669, 7170, 11338, 14340, 17007, 22676, 28345, 34014, 56690, 68028, 85035, 113380, 170070, 340140, 1354891, 2709782, 4064673, 5419564, 6774455, 8129346, 13548910, 16258692, 20323365, 27097820, 40646730, 81293460]

約数ペア:

[(1, 81293460), (2, 40646730), (3, 27097820), (4, 20323365), (5, 16258692), (6, 13548910), (10, 8129346), (12, 6774455), (15, 5419564), (20, 4064673), (30, 2709782), (60, 1354891), (239, 340140), (478, 170070), (717, 113380), (956, 85035), (1195, 68028), (1434, 56690), (2390, 34014), (2868, 28345), (3585, 22676), (4780, 17007), (5669, 14340), (7170, 11338)]