205403040

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{587}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 729025920

約数和(自身を除く): 523622880

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 587, 648, 720, 729, 810, 864, 972, 1080, 1174, 1215, 1296, 1440, 1458, 1620, 1761, 1944, 2160, 2187, 2348, 2430, 2592, 2916, 2935, 3240, 3522, 3645, 3888, 4320, 4374, 4696, 4860, 5283, 5832, 5870, 6480, 7044, 7290, 7776, 8748, 8805, 9392, 9720, 10566, 10935, 11664, 11740, 12960, 14088, 14580, 15849, 17496, 17610, 18784, 19440, 21132, 21870, 23328, 23480, 26415, 28176, 29160, 31698, 34992, 35220, 38880, 42264, 43740, 46960, 47547, 52830, 56352, 58320, 63396, 69984, 70440, 79245, 84528, 87480, 93920, 95094, 105660, 116640, 126792, 140880, 142641, 158490, 169056, 174960, 190188, 211320, 237735, 253584, 281760, 285282, 316980, 349920, 380376, 422640, 427923, 475470, 507168, 570564, 633960, 713205, 760752, 845280, 855846, 950940, 1141128, 1267920, 1283769, 1426410, 1521504, 1711692, 1901880, 2139615, 2282256, 2535840, 2567538, 2852820, 3423384, 3803760, 4279230, 4564512, 5135076, 5705640, 6418845, 6846768, 7607520, 8558460, 10270152, 11411280, 12837690, 13693536, 17116920, 20540304, 22822560, 25675380, 34233840, 41080608, 51350760, 68467680, 102701520, 205403040]

約数ペア:

[(1, 205403040), (2, 102701520), (3, 68467680), (4, 51350760), (5, 41080608), (6, 34233840), (8, 25675380), (9, 22822560), (10, 20540304), (12, 17116920), (15, 13693536), (16, 12837690), (18, 11411280), (20, 10270152), (24, 8558460), (27, 7607520), (30, 6846768), (32, 6418845), (36, 5705640), (40, 5135076), (45, 4564512), (48, 4279230), (54, 3803760), (60, 3423384), (72, 2852820), (80, 2567538), (81, 2535840), (90, 2282256), (96, 2139615), (108, 1901880), (120, 1711692), (135, 1521504), (144, 1426410), (160, 1283769), (162, 1267920), (180, 1141128), (216, 950940), (240, 855846), (243, 845280), (270, 760752), (288, 713205), (324, 633960), (360, 570564), (405, 507168), (432, 475470), (480, 427923), (486, 422640), (540, 380376), (587, 349920), (648, 316980), (720, 285282), (729, 281760), (810, 253584), (864, 237735), (972, 211320), (1080, 190188), (1174, 174960), (1215, 169056), (1296, 158490), (1440, 142641), (1458, 140880), (1620, 126792), (1761, 116640), (1944, 105660), (2160, 95094), (2187, 93920), (2348, 87480), (2430, 84528), (2592, 79245), (2916, 70440), (2935, 69984), (3240, 63396), (3522, 58320), (3645, 56352), (3888, 52830), (4320, 47547), (4374, 46960), (4696, 43740), (4860, 42264), (5283, 38880), (5832, 35220), (5870, 34992), (6480, 31698), (7044, 29160), (7290, 28176), (7776, 26415), (8748, 23480), (8805, 23328), (9392, 21870), (9720, 21132), (10566, 19440), (10935, 18784), (11664, 17610), (11740, 17496), (12960, 15849), (14088, 14580)]