644850720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{49757}}^1$

素因数の和:49784

約数の個数: 120

約数和(自身を含む): 2275831404

約数和(自身を除く): 1630980684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 49757, 99514, 149271, 199028, 248785, 298542, 398056, 447813, 497570, 597084, 746355, 796112, 895626, 995140, 1194168, 1343439, 1492710, 1592224, 1791252, 1990280, 2239065, 2388336, 2686878, 2985420, 3582504, 3980560, 4030317, 4478130, 4776672, 5373756, 5970840, 6717195, 7165008, 7961120, 8060634, 8956260, 10747512, 11941680, 13434390, 14330016, 16121268, 17912520, 20151585, 21495024, 23883360, 26868780, 32242536, 35825040, 40303170, 42990048, 53737560, 64485072, 71650080, 80606340, 107475120, 128970144, 161212680, 214950240, 322425360, 644850720]

約数ペア:

[(1, 644850720), (2, 322425360), (3, 214950240), (4, 161212680), (5, 128970144), (6, 107475120), (8, 80606340), (9, 71650080), (10, 64485072), (12, 53737560), (15, 42990048), (16, 40303170), (18, 35825040), (20, 32242536), (24, 26868780), (27, 23883360), (30, 21495024), (32, 20151585), (36, 17912520), (40, 16121268), (45, 14330016), (48, 13434390), (54, 11941680), (60, 10747512), (72, 8956260), (80, 8060634), (81, 7961120), (90, 7165008), (96, 6717195), (108, 5970840), (120, 5373756), (135, 4776672), (144, 4478130), (160, 4030317), (162, 3980560), (180, 3582504), (216, 2985420), (240, 2686878), (270, 2388336), (288, 2239065), (324, 1990280), (360, 1791252), (405, 1592224), (432, 1492710), (480, 1343439), (540, 1194168), (648, 995140), (720, 895626), (810, 796112), (864, 746355), (1080, 597084), (1296, 497570), (1440, 447813), (1620, 398056), (2160, 298542), (2592, 248785), (3240, 199028), (4320, 149271), (6480, 99514), (12960, 49757)]