281238190720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1\times {\mathrm{12601}}^1$

素因数の和:13474

約数の個数: 128

約数和(自身を含む): 688873711680

約数和(自身を除く): 407635520960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 811, 860, 1376, 1622, 1720, 2752, 3244, 3440, 4055, 5504, 6488, 6880, 8110, 12601, 12976, 13760, 16220, 25202, 25952, 27520, 32440, 34873, 50404, 51904, 63005, 64880, 69746, 100808, 103808, 126010, 129760, 139492, 174365, 201616, 252020, 259520, 278984, 348730, 403232, 504040, 519040, 541843, 557968, 697460, 806464, 1008080, 1083686, 1115936, 1394920, 1612928, 2016160, 2167372, 2231872, 2709215, 2789840, 4032320, 4334744, 4463744, 5418430, 5579680, 8064640, 8669488, 10219411, 10836860, 11159360, 17338976, 20438822, 21673720, 22318720, 34677952, 40877644, 43347440, 51097055, 69355904, 81755288, 86694880, 102194110, 163510576, 173389760, 204388220, 327021152, 346779520, 408776440, 439434673, 654042304, 817552880, 878869346, 1308084608, 1635105760, 1757738692, 2197173365, 3270211520, 3515477384, 4394346730, 6540423040, 7030954768, 8788693460, 14061909536, 17577386920, 28123819072, 35154773840, 56247638144, 70309547680, 140619095360, 281238190720]

約数ペア:

[(1, 281238190720), (2, 140619095360), (4, 70309547680), (5, 56247638144), (8, 35154773840), (10, 28123819072), (16, 17577386920), (20, 14061909536), (32, 8788693460), (40, 7030954768), (43, 6540423040), (64, 4394346730), (80, 3515477384), (86, 3270211520), (128, 2197173365), (160, 1757738692), (172, 1635105760), (215, 1308084608), (320, 878869346), (344, 817552880), (430, 654042304), (640, 439434673), (688, 408776440), (811, 346779520), (860, 327021152), (1376, 204388220), (1622, 173389760), (1720, 163510576), (2752, 102194110), (3244, 86694880), (3440, 81755288), (4055, 69355904), (5504, 51097055), (6488, 43347440), (6880, 40877644), (8110, 34677952), (12601, 22318720), (12976, 21673720), (13760, 20438822), (16220, 17338976), (25202, 11159360), (25952, 10836860), (27520, 10219411), (32440, 8669488), (34873, 8064640), (50404, 5579680), (51904, 5418430), (63005, 4463744), (64880, 4334744), (69746, 4032320), (100808, 2789840), (103808, 2709215), (126010, 2231872), (129760, 2167372), (139492, 2016160), (174365, 1612928), (201616, 1394920), (252020, 1115936), (259520, 1083686), (278984, 1008080), (348730, 806464), (403232, 697460), (504040, 557968), (519040, 541843)]