656666400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1668

約数の個数: 216

約数和(自身を含む): 2315945520

約数和(自身を除く): 1659279120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 169, 195, 200, 208, 240, 260, 300, 312, 325, 338, 390, 400, 416, 480, 507, 520, 600, 624, 650, 676, 780, 800, 845, 975, 1014, 1040, 1200, 1248, 1300, 1352, 1560, 1619, 1690, 1950, 2028, 2080, 2400, 2535, 2600, 2704, 3120, 3238, 3380, 3900, 4056, 4225, 4857, 5070, 5200, 5408, 6240, 6476, 6760, 7800, 8095, 8112, 8450, 9714, 10140, 10400, 12675, 12952, 13520, 15600, 16190, 16224, 16900, 19428, 20280, 21047, 24285, 25350, 25904, 27040, 31200, 32380, 33800, 38856, 40475, 40560, 42094, 48570, 50700, 51808, 63141, 64760, 67600, 77712, 80950, 81120, 84188, 97140, 101400, 105235, 121425, 126282, 129520, 135200, 155424, 161900, 168376, 194280, 202800, 210470, 242850, 252564, 259040, 273611, 315705, 323800, 336752, 388560, 405600, 420940, 485700, 505128, 526175, 547222, 631410, 647600, 673504, 777120, 820833, 841880, 971400, 1010256, 1052350, 1094444, 1262820, 1295200, 1368055, 1578525, 1641666, 1683760, 1942800, 2020512, 2104700, 2188888, 2525640, 2736110, 3157050, 3283332, 3367520, 3885600, 4104165, 4209400, 4377776, 5051280, 5472220, 6314100, 6566664, 6840275, 8208330, 8418800, 8755552, 10102560, 10944440, 12628200, 13133328, 13680550, 16416660, 16837600, 20520825, 21888880, 25256400, 26266656, 27361100, 32833320, 41041650, 43777760, 50512800, 54722200, 65666640, 82083300, 109444400, 131333280, 164166600, 218888800, 328333200, 656666400]

約数ペア:

[(1, 656666400), (2, 328333200), (3, 218888800), (4, 164166600), (5, 131333280), (6, 109444400), (8, 82083300), (10, 65666640), (12, 54722200), (13, 50512800), (15, 43777760), (16, 41041650), (20, 32833320), (24, 27361100), (25, 26266656), (26, 25256400), (30, 21888880), (32, 20520825), (39, 16837600), (40, 16416660), (48, 13680550), (50, 13133328), (52, 12628200), (60, 10944440), (65, 10102560), (75, 8755552), (78, 8418800), (80, 8208330), (96, 6840275), (100, 6566664), (104, 6314100), (120, 5472220), (130, 5051280), (150, 4377776), (156, 4209400), (160, 4104165), (169, 3885600), (195, 3367520), (200, 3283332), (208, 3157050), (240, 2736110), (260, 2525640), (300, 2188888), (312, 2104700), (325, 2020512), (338, 1942800), (390, 1683760), (400, 1641666), (416, 1578525), (480, 1368055), (507, 1295200), (520, 1262820), (600, 1094444), (624, 1052350), (650, 1010256), (676, 971400), (780, 841880), (800, 820833), (845, 777120), (975, 673504), (1014, 647600), (1040, 631410), (1200, 547222), (1248, 526175), (1300, 505128), (1352, 485700), (1560, 420940), (1619, 405600), (1690, 388560), (1950, 336752), (2028, 323800), (2080, 315705), (2400, 273611), (2535, 259040), (2600, 252564), (2704, 242850), (3120, 210470), (3238, 202800), (3380, 194280), (3900, 168376), (4056, 161900), (4225, 155424), (4857, 135200), (5070, 129520), (5200, 126282), (5408, 121425), (6240, 105235), (6476, 101400), (6760, 97140), (7800, 84188), (8095, 81120), (8112, 80950), (8450, 77712), (9714, 67600), (10140, 64760), (10400, 63141), (12675, 51808), (12952, 50700), (13520, 48570), (15600, 42094), (16190, 40560), (16224, 40475), (16900, 38856), (19428, 33800), (20280, 32380), (21047, 31200), (24285, 27040), (25350, 25904)]