71732080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 120

約数和(自身を含む): 201013920

約数和(自身を除く): 129281840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 631, 784, 812, 980, 1015, 1160, 1262, 1421, 1624, 1960, 2030, 2320, 2524, 2842, 3155, 3248, 3920, 4060, 4417, 5048, 5684, 6310, 7105, 8120, 8834, 10096, 11368, 12620, 14210, 16240, 17668, 18299, 22085, 22736, 25240, 28420, 30919, 35336, 36598, 44170, 50480, 56840, 61838, 70672, 73196, 88340, 91495, 113680, 123676, 128093, 146392, 154595, 176680, 182990, 247352, 256186, 292784, 309190, 353360, 365980, 494704, 512372, 618380, 640465, 731960, 896651, 1024744, 1236760, 1280930, 1463920, 1793302, 2049488, 2473520, 2561860, 3586604, 4483255, 5123720, 7173208, 8966510, 10247440, 14346416, 17933020, 35866040, 71732080]

約数ペア:

[(1, 71732080), (2, 35866040), (4, 17933020), (5, 14346416), (7, 10247440), (8, 8966510), (10, 7173208), (14, 5123720), (16, 4483255), (20, 3586604), (28, 2561860), (29, 2473520), (35, 2049488), (40, 1793302), (49, 1463920), (56, 1280930), (58, 1236760), (70, 1024744), (80, 896651), (98, 731960), (112, 640465), (116, 618380), (140, 512372), (145, 494704), (196, 365980), (203, 353360), (232, 309190), (245, 292784), (280, 256186), (290, 247352), (392, 182990), (406, 176680), (464, 154595), (490, 146392), (560, 128093), (580, 123676), (631, 113680), (784, 91495), (812, 88340), (980, 73196), (1015, 70672), (1160, 61838), (1262, 56840), (1421, 50480), (1624, 44170), (1960, 36598), (2030, 35336), (2320, 30919), (2524, 28420), (2842, 25240), (3155, 22736), (3248, 22085), (3920, 18299), (4060, 17668), (4417, 16240), (5048, 14210), (5684, 12620), (6310, 11368), (7105, 10096), (8120, 8834)]