64321920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:897

約数の個数: 192

約数和(自身を含む): 239475600

約数和(自身を除く): 175153680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 859, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1718, 1872, 1920, 2080, 2340, 2496, 2577, 2880, 3120, 3436, 3744, 4160, 4295, 4680, 4992, 5154, 5760, 6240, 6872, 7488, 7731, 8320, 8590, 9360, 10308, 11167, 12480, 12885, 13744, 14976, 15462, 17180, 18720, 20616, 22334, 24960, 25770, 27488, 30924, 33501, 34360, 37440, 38655, 41232, 44668, 51540, 54976, 55835, 61848, 67002, 68720, 74880, 77310, 82464, 89336, 100503, 103080, 109952, 111670, 123696, 134004, 137440, 154620, 164928, 167505, 178672, 201006, 206160, 223340, 247392, 268008, 274880, 309240, 329856, 335010, 357344, 402012, 412320, 446680, 494784, 502515, 536016, 549760, 618480, 670020, 714688, 804024, 824640, 893360, 989568, 1005030, 1072032, 1236960, 1340040, 1429376, 1608048, 1649280, 1786720, 2010060, 2144064, 2473920, 2680080, 3216096, 3573440, 4020120, 4288128, 4947840, 5360160, 6432192, 7146880, 8040240, 10720320, 12864384, 16080480, 21440640, 32160960, 64321920]

約数ペア:

[(1, 64321920), (2, 32160960), (3, 21440640), (4, 16080480), (5, 12864384), (6, 10720320), (8, 8040240), (9, 7146880), (10, 6432192), (12, 5360160), (13, 4947840), (15, 4288128), (16, 4020120), (18, 3573440), (20, 3216096), (24, 2680080), (26, 2473920), (30, 2144064), (32, 2010060), (36, 1786720), (39, 1649280), (40, 1608048), (45, 1429376), (48, 1340040), (52, 1236960), (60, 1072032), (64, 1005030), (65, 989568), (72, 893360), (78, 824640), (80, 804024), (90, 714688), (96, 670020), (104, 618480), (117, 549760), (120, 536016), (128, 502515), (130, 494784), (144, 446680), (156, 412320), (160, 402012), (180, 357344), (192, 335010), (195, 329856), (208, 309240), (234, 274880), (240, 268008), (260, 247392), (288, 223340), (312, 206160), (320, 201006), (360, 178672), (384, 167505), (390, 164928), (416, 154620), (468, 137440), (480, 134004), (520, 123696), (576, 111670), (585, 109952), (624, 103080), (640, 100503), (720, 89336), (780, 82464), (832, 77310), (859, 74880), (936, 68720), (960, 67002), (1040, 61848), (1152, 55835), (1170, 54976), (1248, 51540), (1440, 44668), (1560, 41232), (1664, 38655), (1718, 37440), (1872, 34360), (1920, 33501), (2080, 30924), (2340, 27488), (2496, 25770), (2577, 24960), (2880, 22334), (3120, 20616), (3436, 18720), (3744, 17180), (4160, 15462), (4295, 14976), (4680, 13744), (4992, 12885), (5154, 12480), (5760, 11167), (6240, 10308), (6872, 9360), (7488, 8590), (7731, 8320)]