18688800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:635

約数の個数: 144

約数和(自身を含む): 65620800

約数和(自身を除く): 46932000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 599, 600, 624, 650, 780, 800, 975, 1040, 1198, 1200, 1248, 1300, 1560, 1797, 1950, 2080, 2396, 2400, 2600, 2995, 3120, 3594, 3900, 4792, 5200, 5990, 6240, 7188, 7787, 7800, 8985, 9584, 10400, 11980, 14376, 14975, 15574, 15600, 17970, 19168, 23361, 23960, 28752, 29950, 31148, 31200, 35940, 38935, 44925, 46722, 47920, 57504, 59900, 62296, 71880, 77870, 89850, 93444, 95840, 116805, 119800, 124592, 143760, 155740, 179700, 186888, 194675, 233610, 239600, 249184, 287520, 311480, 359400, 373776, 389350, 467220, 479200, 584025, 622960, 718800, 747552, 778700, 934440, 1168050, 1245920, 1437600, 1557400, 1868880, 2336100, 3114800, 3737760, 4672200, 6229600, 9344400, 18688800]

約数ペア:

[(1, 18688800), (2, 9344400), (3, 6229600), (4, 4672200), (5, 3737760), (6, 3114800), (8, 2336100), (10, 1868880), (12, 1557400), (13, 1437600), (15, 1245920), (16, 1168050), (20, 934440), (24, 778700), (25, 747552), (26, 718800), (30, 622960), (32, 584025), (39, 479200), (40, 467220), (48, 389350), (50, 373776), (52, 359400), (60, 311480), (65, 287520), (75, 249184), (78, 239600), (80, 233610), (96, 194675), (100, 186888), (104, 179700), (120, 155740), (130, 143760), (150, 124592), (156, 119800), (160, 116805), (195, 95840), (200, 93444), (208, 89850), (240, 77870), (260, 71880), (300, 62296), (312, 59900), (325, 57504), (390, 47920), (400, 46722), (416, 44925), (480, 38935), (520, 35940), (599, 31200), (600, 31148), (624, 29950), (650, 28752), (780, 23960), (800, 23361), (975, 19168), (1040, 17970), (1198, 15600), (1200, 15574), (1248, 14975), (1300, 14376), (1560, 11980), (1797, 10400), (1950, 9584), (2080, 8985), (2396, 7800), (2400, 7787), (2600, 7188), (2995, 6240), (3120, 5990), (3594, 5200), (3900, 4792)]