128149380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2707}}^1$

素因数の和:2985

約数の個数: 72

約数和(自身を含む): 390341952

約数和(自身を除く): 262192572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 2707, 3156, 3945, 4734, 5260, 5414, 7890, 8121, 9468, 10828, 11835, 13535, 15780, 16242, 23670, 24363, 27070, 32484, 40605, 47340, 48726, 54140, 81210, 97452, 121815, 162420, 243630, 487260, 711941, 1423882, 2135823, 2847764, 3559705, 4271646, 6407469, 7119410, 8543292, 10679115, 12814938, 14238820, 21358230, 25629876, 32037345, 42716460, 64074690, 128149380]

約数ペア:

[(1, 128149380), (2, 64074690), (3, 42716460), (4, 32037345), (5, 25629876), (6, 21358230), (9, 14238820), (10, 12814938), (12, 10679115), (15, 8543292), (18, 7119410), (20, 6407469), (30, 4271646), (36, 3559705), (45, 2847764), (60, 2135823), (90, 1423882), (180, 711941), (263, 487260), (526, 243630), (789, 162420), (1052, 121815), (1315, 97452), (1578, 81210), (2367, 54140), (2630, 48726), (2707, 47340), (3156, 40605), (3945, 32484), (4734, 27070), (5260, 24363), (5414, 23670), (7890, 16242), (8121, 15780), (9468, 13535), (10828, 11835)]