120640000

素因数分解:

$2^9\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 200

約数和(自身を含む): 335564460

約数和(自身を除く): 214924460

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 32, 40, 50, 52, 58, 64, 65, 80, 100, 104, 116, 125, 128, 130, 145, 160, 200, 208, 232, 250, 256, 260, 290, 320, 325, 377, 400, 416, 464, 500, 512, 520, 580, 625, 640, 650, 725, 754, 800, 832, 928, 1000, 1040, 1160, 1250, 1280, 1300, 1450, 1508, 1600, 1625, 1664, 1856, 1885, 2000, 2080, 2320, 2500, 2560, 2600, 2900, 3016, 3200, 3250, 3328, 3625, 3712, 3770, 4000, 4160, 4640, 5000, 5200, 5800, 6032, 6400, 6500, 6656, 7250, 7424, 7540, 8000, 8125, 8320, 9280, 9425, 10000, 10400, 11600, 12064, 12800, 13000, 14500, 14848, 15080, 16000, 16250, 16640, 18125, 18560, 18850, 20000, 20800, 23200, 24128, 26000, 29000, 30160, 32000, 32500, 33280, 36250, 37120, 37700, 40000, 41600, 46400, 47125, 48256, 52000, 58000, 60320, 64000, 65000, 72500, 74240, 75400, 80000, 83200, 92800, 94250, 96512, 104000, 116000, 120640, 130000, 145000, 150800, 160000, 166400, 185600, 188500, 193024, 208000, 232000, 235625, 241280, 260000, 290000, 301600, 320000, 371200, 377000, 416000, 464000, 471250, 482560, 520000, 580000, 603200, 754000, 832000, 928000, 942500, 965120, 1040000, 1160000, 1206400, 1508000, 1856000, 1885000, 2080000, 2320000, 2412800, 3016000, 3770000, 4160000, 4640000, 4825600, 6032000, 7540000, 9280000, 12064000, 15080000, 24128000, 30160000, 60320000, 120640000]

約数ペア:

[(1, 120640000), (2, 60320000), (4, 30160000), (5, 24128000), (8, 15080000), (10, 12064000), (13, 9280000), (16, 7540000), (20, 6032000), (25, 4825600), (26, 4640000), (29, 4160000), (32, 3770000), (40, 3016000), (50, 2412800), (52, 2320000), (58, 2080000), (64, 1885000), (65, 1856000), (80, 1508000), (100, 1206400), (104, 1160000), (116, 1040000), (125, 965120), (128, 942500), (130, 928000), (145, 832000), (160, 754000), (200, 603200), (208, 580000), (232, 520000), (250, 482560), (256, 471250), (260, 464000), (290, 416000), (320, 377000), (325, 371200), (377, 320000), (400, 301600), (416, 290000), (464, 260000), (500, 241280), (512, 235625), (520, 232000), (580, 208000), (625, 193024), (640, 188500), (650, 185600), (725, 166400), (754, 160000), (800, 150800), (832, 145000), (928, 130000), (1000, 120640), (1040, 116000), (1160, 104000), (1250, 96512), (1280, 94250), (1300, 92800), (1450, 83200), (1508, 80000), (1600, 75400), (1625, 74240), (1664, 72500), (1856, 65000), (1885, 64000), (2000, 60320), (2080, 58000), (2320, 52000), (2500, 48256), (2560, 47125), (2600, 46400), (2900, 41600), (3016, 40000), (3200, 37700), (3250, 37120), (3328, 36250), (3625, 33280), (3712, 32500), (3770, 32000), (4000, 30160), (4160, 29000), (4640, 26000), (5000, 24128), (5200, 23200), (5800, 20800), (6032, 20000), (6400, 18850), (6500, 18560), (6656, 18125), (7250, 16640), (7424, 16250), (7540, 16000), (8000, 15080), (8125, 14848), (8320, 14500), (9280, 13000), (9425, 12800), (10000, 12064), (10400, 11600)]