204955920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:852

約数の個数: 240

約数和(自身を含む): 769659072

約数和(自身を除く): 564703152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 811, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1620, 1622, 1755, 1872, 1944, 2106, 2160, 2340, 2430, 2433, 2808, 3120, 3159, 3240, 3244, 3510, 3888, 4055, 4212, 4680, 4860, 4866, 5265, 5616, 6318, 6480, 6488, 7020, 7299, 8110, 8424, 9360, 9720, 9732, 10530, 10543, 12165, 12636, 12976, 14040, 14598, 15795, 16220, 16848, 19440, 19464, 21060, 21086, 21897, 24330, 25272, 28080, 29196, 31590, 31629, 32440, 36495, 38928, 42120, 42172, 43794, 48660, 50544, 52715, 58392, 63180, 63258, 64880, 65691, 72990, 84240, 84344, 87588, 94887, 97320, 105430, 109485, 116784, 126360, 126516, 131382, 145980, 158145, 168688, 175176, 189774, 194640, 197073, 210860, 218970, 252720, 253032, 262764, 284661, 291960, 316290, 328455, 350352, 379548, 394146, 421720, 437940, 474435, 506064, 525528, 569322, 583920, 632580, 656910, 759096, 788292, 843440, 853983, 875880, 948870, 985365, 1051056, 1138644, 1265160, 1313820, 1423305, 1518192, 1576584, 1707966, 1751760, 1897740, 1970730, 2277288, 2530320, 2561949, 2627640, 2846610, 3153168, 3415932, 3795480, 3941460, 4269915, 4554576, 5123898, 5255280, 5693220, 6831864, 7590960, 7882920, 8539830, 10247796, 11386440, 12809745, 13663728, 15765840, 17079660, 20495592, 22772880, 25619490, 34159320, 40991184, 51238980, 68318640, 102477960, 204955920]

約数ペア:

[(1, 204955920), (2, 102477960), (3, 68318640), (4, 51238980), (5, 40991184), (6, 34159320), (8, 25619490), (9, 22772880), (10, 20495592), (12, 17079660), (13, 15765840), (15, 13663728), (16, 12809745), (18, 11386440), (20, 10247796), (24, 8539830), (26, 7882920), (27, 7590960), (30, 6831864), (36, 5693220), (39, 5255280), (40, 5123898), (45, 4554576), (48, 4269915), (52, 3941460), (54, 3795480), (60, 3415932), (65, 3153168), (72, 2846610), (78, 2627640), (80, 2561949), (81, 2530320), (90, 2277288), (104, 1970730), (108, 1897740), (117, 1751760), (120, 1707966), (130, 1576584), (135, 1518192), (144, 1423305), (156, 1313820), (162, 1265160), (180, 1138644), (195, 1051056), (208, 985365), (216, 948870), (234, 875880), (240, 853983), (243, 843440), (260, 788292), (270, 759096), (312, 656910), (324, 632580), (351, 583920), (360, 569322), (390, 525528), (405, 506064), (432, 474435), (468, 437940), (486, 421720), (520, 394146), (540, 379548), (585, 350352), (624, 328455), (648, 316290), (702, 291960), (720, 284661), (780, 262764), (810, 253032), (811, 252720), (936, 218970), (972, 210860), (1040, 197073), (1053, 194640), (1080, 189774), (1170, 175176), (1215, 168688), (1296, 158145), (1404, 145980), (1560, 131382), (1620, 126516), (1622, 126360), (1755, 116784), (1872, 109485), (1944, 105430), (2106, 97320), (2160, 94887), (2340, 87588), (2430, 84344), (2433, 84240), (2808, 72990), (3120, 65691), (3159, 64880), (3240, 63258), (3244, 63180), (3510, 58392), (3888, 52715), (4055, 50544), (4212, 48660), (4680, 43794), (4860, 42172), (4866, 42120), (5265, 38928), (5616, 36495), (6318, 32440), (6480, 31629), (6488, 31590), (7020, 29196), (7299, 28080), (8110, 25272), (8424, 24330), (9360, 21897), (9720, 21086), (9732, 21060), (10530, 19464), (10543, 19440), (12165, 16848), (12636, 16220), (12976, 15795), (14040, 14598)]