80040000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 280

約数和(自身を含む): 285658560

約数和(自身を除く): 205618560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 29, 30, 32, 40, 46, 48, 50, 58, 60, 64, 69, 75, 80, 87, 92, 96, 100, 115, 116, 120, 125, 138, 145, 150, 160, 174, 184, 192, 200, 230, 232, 240, 250, 276, 290, 300, 320, 345, 348, 368, 375, 400, 435, 460, 464, 480, 500, 552, 575, 580, 600, 625, 667, 690, 696, 725, 736, 750, 800, 870, 920, 928, 960, 1000, 1104, 1150, 1160, 1200, 1250, 1334, 1380, 1392, 1450, 1472, 1500, 1600, 1725, 1740, 1840, 1856, 1875, 2000, 2001, 2175, 2208, 2300, 2320, 2400, 2500, 2668, 2760, 2784, 2875, 2900, 3000, 3335, 3450, 3480, 3625, 3680, 3750, 4000, 4002, 4350, 4416, 4600, 4640, 4800, 5000, 5336, 5520, 5568, 5750, 5800, 6000, 6670, 6900, 6960, 7250, 7360, 7500, 8000, 8004, 8625, 8700, 9200, 9280, 10000, 10005, 10672, 10875, 11040, 11500, 11600, 12000, 13340, 13800, 13920, 14375, 14500, 15000, 16008, 16675, 17250, 17400, 18125, 18400, 20000, 20010, 21344, 21750, 22080, 23000, 23200, 24000, 26680, 27600, 27840, 28750, 29000, 30000, 32016, 33350, 34500, 34800, 36250, 36800, 40000, 40020, 42688, 43125, 43500, 46000, 46400, 50025, 53360, 54375, 55200, 57500, 58000, 60000, 64032, 66700, 69000, 69600, 72500, 80040, 83375, 86250, 87000, 92000, 100050, 106720, 108750, 110400, 115000, 116000, 120000, 128064, 133400, 138000, 139200, 145000, 160080, 166750, 172500, 174000, 184000, 200100, 213440, 217500, 230000, 232000, 250125, 266800, 276000, 290000, 320160, 333500, 345000, 348000, 400200, 416875, 435000, 460000, 500250, 533600, 552000, 580000, 640320, 667000, 690000, 696000, 800400, 833750, 870000, 920000, 1000500, 1067200, 1160000, 1250625, 1334000, 1380000, 1600800, 1667500, 1740000, 2001000, 2501250, 2668000, 2760000, 3201600, 3335000, 3480000, 4002000, 5002500, 5336000, 6670000, 8004000, 10005000, 13340000, 16008000, 20010000, 26680000, 40020000, 80040000]

約数ペア:

[(1, 80040000), (2, 40020000), (3, 26680000), (4, 20010000), (5, 16008000), (6, 13340000), (8, 10005000), (10, 8004000), (12, 6670000), (15, 5336000), (16, 5002500), (20, 4002000), (23, 3480000), (24, 3335000), (25, 3201600), (29, 2760000), (30, 2668000), (32, 2501250), (40, 2001000), (46, 1740000), (48, 1667500), (50, 1600800), (58, 1380000), (60, 1334000), (64, 1250625), (69, 1160000), (75, 1067200), (80, 1000500), (87, 920000), (92, 870000), (96, 833750), (100, 800400), (115, 696000), (116, 690000), (120, 667000), (125, 640320), (138, 580000), (145, 552000), (150, 533600), (160, 500250), (174, 460000), (184, 435000), (192, 416875), (200, 400200), (230, 348000), (232, 345000), (240, 333500), (250, 320160), (276, 290000), (290, 276000), (300, 266800), (320, 250125), (345, 232000), (348, 230000), (368, 217500), (375, 213440), (400, 200100), (435, 184000), (460, 174000), (464, 172500), (480, 166750), (500, 160080), (552, 145000), (575, 139200), (580, 138000), (600, 133400), (625, 128064), (667, 120000), (690, 116000), (696, 115000), (725, 110400), (736, 108750), (750, 106720), (800, 100050), (870, 92000), (920, 87000), (928, 86250), (960, 83375), (1000, 80040), (1104, 72500), (1150, 69600), (1160, 69000), (1200, 66700), (1250, 64032), (1334, 60000), (1380, 58000), (1392, 57500), (1450, 55200), (1472, 54375), (1500, 53360), (1600, 50025), (1725, 46400), (1740, 46000), (1840, 43500), (1856, 43125), (1875, 42688), (2000, 40020), (2001, 40000), (2175, 36800), (2208, 36250), (2300, 34800), (2320, 34500), (2400, 33350), (2500, 32016), (2668, 30000), (2760, 29000), (2784, 28750), (2875, 27840), (2900, 27600), (3000, 26680), (3335, 24000), (3450, 23200), (3480, 23000), (3625, 22080), (3680, 21750), (3750, 21344), (4000, 20010), (4002, 20000), (4350, 18400), (4416, 18125), (4600, 17400), (4640, 17250), (4800, 16675), (5000, 16008), (5336, 15000), (5520, 14500), (5568, 14375), (5750, 13920), (5800, 13800), (6000, 13340), (6670, 12000), (6900, 11600), (6960, 11500), (7250, 11040), (7360, 10875), (7500, 10672), (8000, 10005), (8004, 10000), (8625, 9280), (8700, 9200)]