80668000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 235243008

約数和(自身を除く): 154575008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 50, 56, 67, 70, 80, 86, 100, 112, 125, 134, 140, 160, 172, 175, 200, 215, 224, 250, 268, 280, 301, 335, 344, 350, 400, 430, 469, 500, 536, 560, 602, 670, 688, 700, 800, 860, 875, 938, 1000, 1072, 1075, 1120, 1204, 1340, 1376, 1400, 1505, 1675, 1720, 1750, 1876, 2000, 2144, 2150, 2345, 2408, 2680, 2800, 2881, 3010, 3350, 3440, 3500, 3752, 4000, 4300, 4690, 4816, 5360, 5375, 5600, 5762, 6020, 6700, 6880, 7000, 7504, 7525, 8375, 8600, 9380, 9632, 10720, 10750, 11524, 11725, 12040, 13400, 14000, 14405, 15008, 15050, 16750, 17200, 18760, 20167, 21500, 23048, 23450, 24080, 26800, 28000, 28810, 30100, 33500, 34400, 37520, 37625, 40334, 43000, 46096, 46900, 48160, 53600, 57620, 58625, 60200, 67000, 72025, 75040, 75250, 80668, 86000, 92192, 93800, 100835, 115240, 117250, 120400, 134000, 144050, 150500, 161336, 172000, 187600, 201670, 230480, 234500, 240800, 268000, 288100, 301000, 322672, 360125, 375200, 403340, 460960, 469000, 504175, 576200, 602000, 645344, 720250, 806680, 938000, 1008350, 1152400, 1204000, 1440500, 1613360, 1876000, 2016700, 2304800, 2520875, 2881000, 3226720, 4033400, 5041750, 5762000, 8066800, 10083500, 11524000, 16133600, 20167000, 40334000, 80668000]

約数ペア:

[(1, 80668000), (2, 40334000), (4, 20167000), (5, 16133600), (7, 11524000), (8, 10083500), (10, 8066800), (14, 5762000), (16, 5041750), (20, 4033400), (25, 3226720), (28, 2881000), (32, 2520875), (35, 2304800), (40, 2016700), (43, 1876000), (50, 1613360), (56, 1440500), (67, 1204000), (70, 1152400), (80, 1008350), (86, 938000), (100, 806680), (112, 720250), (125, 645344), (134, 602000), (140, 576200), (160, 504175), (172, 469000), (175, 460960), (200, 403340), (215, 375200), (224, 360125), (250, 322672), (268, 301000), (280, 288100), (301, 268000), (335, 240800), (344, 234500), (350, 230480), (400, 201670), (430, 187600), (469, 172000), (500, 161336), (536, 150500), (560, 144050), (602, 134000), (670, 120400), (688, 117250), (700, 115240), (800, 100835), (860, 93800), (875, 92192), (938, 86000), (1000, 80668), (1072, 75250), (1075, 75040), (1120, 72025), (1204, 67000), (1340, 60200), (1376, 58625), (1400, 57620), (1505, 53600), (1675, 48160), (1720, 46900), (1750, 46096), (1876, 43000), (2000, 40334), (2144, 37625), (2150, 37520), (2345, 34400), (2408, 33500), (2680, 30100), (2800, 28810), (2881, 28000), (3010, 26800), (3350, 24080), (3440, 23450), (3500, 23048), (3752, 21500), (4000, 20167), (4300, 18760), (4690, 17200), (4816, 16750), (5360, 15050), (5375, 15008), (5600, 14405), (5762, 14000), (6020, 13400), (6700, 12040), (6880, 11725), (7000, 11524), (7504, 10750), (7525, 10720), (8375, 9632), (8600, 9380)]