28648800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 216

約数和(自身を含む): 106024464

約数和(自身を除く): 77375664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 32, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 96, 100, 115, 120, 138, 144, 150, 160, 173, 180, 184, 200, 207, 225, 230, 240, 276, 288, 300, 345, 346, 360, 368, 400, 414, 450, 460, 480, 519, 552, 575, 600, 690, 692, 720, 736, 800, 828, 865, 900, 920, 1035, 1038, 1104, 1150, 1200, 1380, 1384, 1440, 1557, 1656, 1725, 1730, 1800, 1840, 2070, 2076, 2208, 2300, 2400, 2595, 2760, 2768, 3114, 3312, 3450, 3460, 3600, 3680, 3979, 4140, 4152, 4325, 4600, 5175, 5190, 5520, 5536, 6228, 6624, 6900, 6920, 7200, 7785, 7958, 8280, 8304, 8650, 9200, 10350, 10380, 11040, 11937, 12456, 12975, 13800, 13840, 15570, 15916, 16560, 16608, 17300, 18400, 19895, 20700, 20760, 23874, 24912, 25950, 27600, 27680, 31140, 31832, 33120, 34600, 35811, 38925, 39790, 41400, 41520, 47748, 49824, 51900, 55200, 59685, 62280, 63664, 69200, 71622, 77850, 79580, 82800, 83040, 95496, 99475, 103800, 119370, 124560, 127328, 138400, 143244, 155700, 159160, 165600, 179055, 190992, 198950, 207600, 238740, 249120, 286488, 298425, 311400, 318320, 358110, 381984, 397900, 415200, 477480, 572976, 596850, 622800, 636640, 716220, 795800, 895275, 954960, 1145952, 1193700, 1245600, 1432440, 1591600, 1790550, 1909920, 2387400, 2864880, 3183200, 3581100, 4774800, 5729760, 7162200, 9549600, 14324400, 28648800]

約数ペア:

[(1, 28648800), (2, 14324400), (3, 9549600), (4, 7162200), (5, 5729760), (6, 4774800), (8, 3581100), (9, 3183200), (10, 2864880), (12, 2387400), (15, 1909920), (16, 1790550), (18, 1591600), (20, 1432440), (23, 1245600), (24, 1193700), (25, 1145952), (30, 954960), (32, 895275), (36, 795800), (40, 716220), (45, 636640), (46, 622800), (48, 596850), (50, 572976), (60, 477480), (69, 415200), (72, 397900), (75, 381984), (80, 358110), (90, 318320), (92, 311400), (96, 298425), (100, 286488), (115, 249120), (120, 238740), (138, 207600), (144, 198950), (150, 190992), (160, 179055), (173, 165600), (180, 159160), (184, 155700), (200, 143244), (207, 138400), (225, 127328), (230, 124560), (240, 119370), (276, 103800), (288, 99475), (300, 95496), (345, 83040), (346, 82800), (360, 79580), (368, 77850), (400, 71622), (414, 69200), (450, 63664), (460, 62280), (480, 59685), (519, 55200), (552, 51900), (575, 49824), (600, 47748), (690, 41520), (692, 41400), (720, 39790), (736, 38925), (800, 35811), (828, 34600), (865, 33120), (900, 31832), (920, 31140), (1035, 27680), (1038, 27600), (1104, 25950), (1150, 24912), (1200, 23874), (1380, 20760), (1384, 20700), (1440, 19895), (1557, 18400), (1656, 17300), (1725, 16608), (1730, 16560), (1800, 15916), (1840, 15570), (2070, 13840), (2076, 13800), (2208, 12975), (2300, 12456), (2400, 11937), (2595, 11040), (2760, 10380), (2768, 10350), (3114, 9200), (3312, 8650), (3450, 8304), (3460, 8280), (3600, 7958), (3680, 7785), (3979, 7200), (4140, 6920), (4152, 6900), (4325, 6624), (4600, 6228), (5175, 5536), (5190, 5520)]