67728920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 190080000

約数和(自身を除く): 122351080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 439, 532, 551, 580, 665, 760, 812, 878, 1015, 1064, 1102, 1160, 1330, 1624, 1756, 2030, 2195, 2204, 2660, 2755, 3073, 3512, 3857, 4060, 4390, 4408, 5320, 5510, 6146, 7714, 8120, 8341, 8780, 11020, 12292, 12731, 15365, 15428, 16682, 17560, 19285, 22040, 24584, 25462, 30730, 30856, 33364, 38570, 41705, 50924, 58387, 61460, 63655, 66728, 77140, 83410, 89117, 101848, 116774, 122920, 127310, 154280, 166820, 178234, 233548, 241889, 254620, 291935, 333640, 356468, 445585, 467096, 483778, 509240, 583870, 712936, 891170, 967556, 1167740, 1209445, 1693223, 1782340, 1935112, 2335480, 2418890, 3386446, 3564680, 4837780, 6772892, 8466115, 9675560, 13545784, 16932230, 33864460, 67728920]

約数ペア:

[(1, 67728920), (2, 33864460), (4, 16932230), (5, 13545784), (7, 9675560), (8, 8466115), (10, 6772892), (14, 4837780), (19, 3564680), (20, 3386446), (28, 2418890), (29, 2335480), (35, 1935112), (38, 1782340), (40, 1693223), (56, 1209445), (58, 1167740), (70, 967556), (76, 891170), (95, 712936), (116, 583870), (133, 509240), (140, 483778), (145, 467096), (152, 445585), (190, 356468), (203, 333640), (232, 291935), (266, 254620), (280, 241889), (290, 233548), (380, 178234), (406, 166820), (439, 154280), (532, 127310), (551, 122920), (580, 116774), (665, 101848), (760, 89117), (812, 83410), (878, 77140), (1015, 66728), (1064, 63655), (1102, 61460), (1160, 58387), (1330, 50924), (1624, 41705), (1756, 38570), (2030, 33364), (2195, 30856), (2204, 30730), (2660, 25462), (2755, 24584), (3073, 22040), (3512, 19285), (3857, 17560), (4060, 16682), (4390, 15428), (4408, 15365), (5320, 12731), (5510, 12292), (6146, 11020), (7714, 8780), (8120, 8341)]