127640800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1041

約数の個数: 144

約数和(自身を含む): 371976192

約数和(自身を除く): 244335392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 736, 800, 805, 920, 991, 1120, 1150, 1288, 1400, 1610, 1840, 1982, 2300, 2576, 2800, 3220, 3680, 3964, 4025, 4600, 4955, 5152, 5600, 6440, 6937, 7928, 8050, 9200, 9910, 12880, 13874, 15856, 16100, 18400, 19820, 22793, 24775, 25760, 27748, 31712, 32200, 34685, 39640, 45586, 49550, 55496, 64400, 69370, 79280, 91172, 99100, 110992, 113965, 128800, 138740, 158560, 159551, 173425, 182344, 198200, 221984, 227930, 277480, 319102, 346850, 364688, 396400, 455860, 554960, 569825, 638204, 693700, 729376, 792800, 797755, 911720, 1109920, 1139650, 1276408, 1387400, 1595510, 1823440, 2279300, 2552816, 2774800, 3191020, 3646880, 3988775, 4558600, 5105632, 5549600, 6382040, 7977550, 9117200, 12764080, 15955100, 18234400, 25528160, 31910200, 63820400, 127640800]

約数ペア:

[(1, 127640800), (2, 63820400), (4, 31910200), (5, 25528160), (7, 18234400), (8, 15955100), (10, 12764080), (14, 9117200), (16, 7977550), (20, 6382040), (23, 5549600), (25, 5105632), (28, 4558600), (32, 3988775), (35, 3646880), (40, 3191020), (46, 2774800), (50, 2552816), (56, 2279300), (70, 1823440), (80, 1595510), (92, 1387400), (100, 1276408), (112, 1139650), (115, 1109920), (140, 911720), (160, 797755), (161, 792800), (175, 729376), (184, 693700), (200, 638204), (224, 569825), (230, 554960), (280, 455860), (322, 396400), (350, 364688), (368, 346850), (400, 319102), (460, 277480), (560, 227930), (575, 221984), (644, 198200), (700, 182344), (736, 173425), (800, 159551), (805, 158560), (920, 138740), (991, 128800), (1120, 113965), (1150, 110992), (1288, 99100), (1400, 91172), (1610, 79280), (1840, 69370), (1982, 64400), (2300, 55496), (2576, 49550), (2800, 45586), (3220, 39640), (3680, 34685), (3964, 32200), (4025, 31712), (4600, 27748), (4955, 25760), (5152, 24775), (5600, 22793), (6440, 19820), (6937, 18400), (7928, 16100), (8050, 15856), (9200, 13874), (9910, 12880)]