128742000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 160

約数和(自身を含む): 425568000

約数和(自身を除く): 296826000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 125, 129, 150, 172, 200, 215, 240, 250, 258, 300, 344, 375, 400, 430, 499, 500, 516, 600, 645, 688, 750, 860, 998, 1000, 1032, 1075, 1200, 1290, 1497, 1500, 1720, 1996, 2000, 2064, 2150, 2495, 2580, 2994, 3000, 3225, 3440, 3992, 4300, 4990, 5160, 5375, 5988, 6000, 6450, 7485, 7984, 8600, 9980, 10320, 10750, 11976, 12475, 12900, 14970, 16125, 17200, 19960, 21457, 21500, 23952, 24950, 25800, 29940, 32250, 37425, 39920, 42914, 43000, 49900, 51600, 59880, 62375, 64371, 64500, 74850, 85828, 86000, 99800, 107285, 119760, 124750, 128742, 129000, 149700, 171656, 187125, 199600, 214570, 249500, 257484, 258000, 299400, 321855, 343312, 374250, 429140, 499000, 514968, 536425, 598800, 643710, 748500, 858280, 998000, 1029936, 1072850, 1287420, 1497000, 1609275, 1716560, 2145700, 2574840, 2682125, 2994000, 3218550, 4291400, 5149680, 5364250, 6437100, 8046375, 8582800, 10728500, 12874200, 16092750, 21457000, 25748400, 32185500, 42914000, 64371000, 128742000]

約数ペア:

[(1, 128742000), (2, 64371000), (3, 42914000), (4, 32185500), (5, 25748400), (6, 21457000), (8, 16092750), (10, 12874200), (12, 10728500), (15, 8582800), (16, 8046375), (20, 6437100), (24, 5364250), (25, 5149680), (30, 4291400), (40, 3218550), (43, 2994000), (48, 2682125), (50, 2574840), (60, 2145700), (75, 1716560), (80, 1609275), (86, 1497000), (100, 1287420), (120, 1072850), (125, 1029936), (129, 998000), (150, 858280), (172, 748500), (200, 643710), (215, 598800), (240, 536425), (250, 514968), (258, 499000), (300, 429140), (344, 374250), (375, 343312), (400, 321855), (430, 299400), (499, 258000), (500, 257484), (516, 249500), (600, 214570), (645, 199600), (688, 187125), (750, 171656), (860, 149700), (998, 129000), (1000, 128742), (1032, 124750), (1075, 119760), (1200, 107285), (1290, 99800), (1497, 86000), (1500, 85828), (1720, 74850), (1996, 64500), (2000, 64371), (2064, 62375), (2150, 59880), (2495, 51600), (2580, 49900), (2994, 43000), (3000, 42914), (3225, 39920), (3440, 37425), (3992, 32250), (4300, 29940), (4990, 25800), (5160, 24950), (5375, 23952), (5988, 21500), (6000, 21457), (6450, 19960), (7485, 17200), (7984, 16125), (8600, 14970), (9980, 12900), (10320, 12475), (10750, 11976)]