1271312000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{11351}}^1$

素因数の和:11387

約数の個数: 128

約数和(自身を含む): 3612660480

約数和(自身を除く): 2341348480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 640, 700, 800, 875, 896, 1000, 1120, 1400, 1600, 1750, 2000, 2240, 2800, 3200, 3500, 4000, 4480, 5600, 7000, 8000, 11200, 11351, 14000, 16000, 22400, 22702, 28000, 45404, 56000, 56755, 79457, 90808, 112000, 113510, 158914, 181616, 227020, 283775, 317828, 363232, 397285, 454040, 567550, 635656, 726464, 794570, 908080, 1135100, 1271312, 1418875, 1452928, 1589140, 1816160, 1986425, 2270200, 2542624, 2837750, 3178280, 3632320, 3972850, 4540400, 5085248, 5675500, 6356560, 7264640, 7945700, 9080800, 9932125, 10170496, 11351000, 12713120, 15891400, 18161600, 19864250, 22702000, 25426240, 31782800, 36323200, 39728500, 45404000, 50852480, 63565600, 79457000, 90808000, 127131200, 158914000, 181616000, 254262400, 317828000, 635656000, 1271312000]

約数ペア:

[(1, 1271312000), (2, 635656000), (4, 317828000), (5, 254262400), (7, 181616000), (8, 158914000), (10, 127131200), (14, 90808000), (16, 79457000), (20, 63565600), (25, 50852480), (28, 45404000), (32, 39728500), (35, 36323200), (40, 31782800), (50, 25426240), (56, 22702000), (64, 19864250), (70, 18161600), (80, 15891400), (100, 12713120), (112, 11351000), (125, 10170496), (128, 9932125), (140, 9080800), (160, 7945700), (175, 7264640), (200, 6356560), (224, 5675500), (250, 5085248), (280, 4540400), (320, 3972850), (350, 3632320), (400, 3178280), (448, 2837750), (500, 2542624), (560, 2270200), (640, 1986425), (700, 1816160), (800, 1589140), (875, 1452928), (896, 1418875), (1000, 1271312), (1120, 1135100), (1400, 908080), (1600, 794570), (1750, 726464), (2000, 635656), (2240, 567550), (2800, 454040), (3200, 397285), (3500, 363232), (4000, 317828), (4480, 283775), (5600, 227020), (7000, 181616), (8000, 158914), (11200, 113510), (11351, 112000), (14000, 90808), (16000, 79457), (22400, 56755), (22702, 56000), (28000, 45404)]