42881280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:896

約数の個数: 144

約数和(自身を含む): 147658560

約数和(自身を除く): 104777280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 859, 960, 1040, 1248, 1280, 1560, 1664, 1718, 1920, 2080, 2496, 2577, 3120, 3328, 3436, 3840, 4160, 4295, 4992, 5154, 6240, 6872, 8320, 8590, 9984, 10308, 11167, 12480, 12885, 13744, 16640, 17180, 20616, 22334, 24960, 25770, 27488, 33501, 34360, 41232, 44668, 49920, 51540, 54976, 55835, 67002, 68720, 82464, 89336, 103080, 109952, 111670, 134004, 137440, 164928, 167505, 178672, 206160, 219904, 223340, 268008, 274880, 329856, 335010, 357344, 412320, 446680, 536016, 549760, 659712, 670020, 714688, 824640, 893360, 1072032, 1099520, 1340040, 1429376, 1649280, 1786720, 2144064, 2680080, 2858752, 3298560, 3573440, 4288128, 5360160, 7146880, 8576256, 10720320, 14293760, 21440640, 42881280]

約数ペア:

[(1, 42881280), (2, 21440640), (3, 14293760), (4, 10720320), (5, 8576256), (6, 7146880), (8, 5360160), (10, 4288128), (12, 3573440), (13, 3298560), (15, 2858752), (16, 2680080), (20, 2144064), (24, 1786720), (26, 1649280), (30, 1429376), (32, 1340040), (39, 1099520), (40, 1072032), (48, 893360), (52, 824640), (60, 714688), (64, 670020), (65, 659712), (78, 549760), (80, 536016), (96, 446680), (104, 412320), (120, 357344), (128, 335010), (130, 329856), (156, 274880), (160, 268008), (192, 223340), (195, 219904), (208, 206160), (240, 178672), (256, 167505), (260, 164928), (312, 137440), (320, 134004), (384, 111670), (390, 109952), (416, 103080), (480, 89336), (520, 82464), (624, 68720), (640, 67002), (768, 55835), (780, 54976), (832, 51540), (859, 49920), (960, 44668), (1040, 41232), (1248, 34360), (1280, 33501), (1560, 27488), (1664, 25770), (1718, 24960), (1920, 22334), (2080, 20616), (2496, 17180), (2577, 16640), (3120, 13744), (3328, 12885), (3436, 12480), (3840, 11167), (4160, 10308), (4295, 9984), (4992, 8590), (5154, 8320), (6240, 6872)]