261872000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1301

約数の個数: 128

約数和(自身を含む): 701719200

約数和(自身を除く): 439847200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 640, 650, 800, 832, 1000, 1040, 1259, 1300, 1600, 1625, 1664, 2000, 2080, 2518, 2600, 3200, 3250, 4000, 4160, 5036, 5200, 6295, 6500, 8000, 8320, 10072, 10400, 12590, 13000, 16000, 16367, 20144, 20800, 25180, 26000, 31475, 32734, 40288, 41600, 50360, 52000, 62950, 65468, 80576, 81835, 100720, 104000, 125900, 130936, 157375, 161152, 163670, 201440, 208000, 251800, 261872, 314750, 327340, 402880, 409175, 503600, 523744, 629500, 654680, 805760, 818350, 1007200, 1047488, 1259000, 1309360, 1636700, 2014400, 2045875, 2094976, 2518000, 2618720, 3273400, 4028800, 4091750, 5036000, 5237440, 6546800, 8183500, 10072000, 10474880, 13093600, 16367000, 20144000, 26187200, 32734000, 52374400, 65468000, 130936000, 261872000]

約数ペア:

[(1, 261872000), (2, 130936000), (4, 65468000), (5, 52374400), (8, 32734000), (10, 26187200), (13, 20144000), (16, 16367000), (20, 13093600), (25, 10474880), (26, 10072000), (32, 8183500), (40, 6546800), (50, 5237440), (52, 5036000), (64, 4091750), (65, 4028800), (80, 3273400), (100, 2618720), (104, 2518000), (125, 2094976), (128, 2045875), (130, 2014400), (160, 1636700), (200, 1309360), (208, 1259000), (250, 1047488), (260, 1007200), (320, 818350), (325, 805760), (400, 654680), (416, 629500), (500, 523744), (520, 503600), (640, 409175), (650, 402880), (800, 327340), (832, 314750), (1000, 261872), (1040, 251800), (1259, 208000), (1300, 201440), (1600, 163670), (1625, 161152), (1664, 157375), (2000, 130936), (2080, 125900), (2518, 104000), (2600, 100720), (3200, 81835), (3250, 80576), (4000, 65468), (4160, 62950), (5036, 52000), (5200, 50360), (6295, 41600), (6500, 40288), (8000, 32734), (8320, 31475), (10072, 26000), (10400, 25180), (12590, 20800), (13000, 20144), (16000, 16367)]