240688000

素因数分解:

$2^7\times 5^3\times 7^2\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 698377680

約数和(自身を除く): 457689680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 280, 307, 320, 350, 392, 400, 448, 490, 500, 560, 614, 640, 700, 784, 800, 875, 896, 980, 1000, 1120, 1225, 1228, 1400, 1535, 1568, 1600, 1750, 1960, 2000, 2149, 2240, 2450, 2456, 2800, 3070, 3136, 3200, 3500, 3920, 4000, 4298, 4480, 4900, 4912, 5600, 6125, 6140, 6272, 7000, 7675, 7840, 8000, 8596, 9800, 9824, 10745, 11200, 12250, 12280, 14000, 15043, 15350, 15680, 16000, 17192, 19600, 19648, 21490, 22400, 24500, 24560, 28000, 30086, 30700, 31360, 34384, 38375, 39200, 39296, 42980, 49000, 49120, 53725, 56000, 60172, 61400, 68768, 75215, 76750, 78400, 85960, 98000, 98240, 107450, 112000, 120344, 122800, 137536, 150430, 153500, 156800, 171920, 196000, 196480, 214900, 240688, 245600, 268625, 275072, 300860, 307000, 343840, 376075, 392000, 429800, 481376, 491200, 537250, 601720, 614000, 687680, 752150, 784000, 859600, 962752, 982400, 1074500, 1203440, 1228000, 1375360, 1504300, 1719200, 1880375, 1925504, 2149000, 2406880, 2456000, 3008600, 3438400, 3760750, 4298000, 4813760, 4912000, 6017200, 6876800, 7521500, 8596000, 9627520, 12034400, 15043000, 17192000, 24068800, 30086000, 34384000, 48137600, 60172000, 120344000, 240688000]

約数ペア:

[(1, 240688000), (2, 120344000), (4, 60172000), (5, 48137600), (7, 34384000), (8, 30086000), (10, 24068800), (14, 17192000), (16, 15043000), (20, 12034400), (25, 9627520), (28, 8596000), (32, 7521500), (35, 6876800), (40, 6017200), (49, 4912000), (50, 4813760), (56, 4298000), (64, 3760750), (70, 3438400), (80, 3008600), (98, 2456000), (100, 2406880), (112, 2149000), (125, 1925504), (128, 1880375), (140, 1719200), (160, 1504300), (175, 1375360), (196, 1228000), (200, 1203440), (224, 1074500), (245, 982400), (250, 962752), (280, 859600), (307, 784000), (320, 752150), (350, 687680), (392, 614000), (400, 601720), (448, 537250), (490, 491200), (500, 481376), (560, 429800), (614, 392000), (640, 376075), (700, 343840), (784, 307000), (800, 300860), (875, 275072), (896, 268625), (980, 245600), (1000, 240688), (1120, 214900), (1225, 196480), (1228, 196000), (1400, 171920), (1535, 156800), (1568, 153500), (1600, 150430), (1750, 137536), (1960, 122800), (2000, 120344), (2149, 112000), (2240, 107450), (2450, 98240), (2456, 98000), (2800, 85960), (3070, 78400), (3136, 76750), (3200, 75215), (3500, 68768), (3920, 61400), (4000, 60172), (4298, 56000), (4480, 53725), (4900, 49120), (4912, 49000), (5600, 42980), (6125, 39296), (6140, 39200), (6272, 38375), (7000, 34384), (7675, 31360), (7840, 30700), (8000, 30086), (8596, 28000), (9800, 24560), (9824, 24500), (10745, 22400), (11200, 21490), (12250, 19648), (12280, 19600), (14000, 17192), (15043, 16000), (15350, 15680)]