28229760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 288

約数和(自身を含む): 109196100

約数和(自身を除く): 80966340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 32, 36, 39, 40, 45, 48, 52, 58, 60, 64, 65, 72, 78, 80, 87, 90, 96, 104, 116, 117, 120, 128, 130, 144, 145, 156, 160, 169, 174, 180, 192, 195, 208, 232, 234, 240, 260, 261, 288, 290, 312, 320, 338, 348, 360, 377, 384, 390, 416, 435, 464, 468, 480, 507, 520, 522, 576, 580, 585, 624, 640, 676, 696, 720, 754, 780, 832, 845, 870, 928, 936, 960, 1014, 1040, 1044, 1131, 1152, 1160, 1170, 1248, 1305, 1352, 1392, 1440, 1508, 1521, 1560, 1664, 1690, 1740, 1856, 1872, 1885, 1920, 2028, 2080, 2088, 2262, 2320, 2340, 2496, 2535, 2610, 2704, 2784, 2880, 3016, 3042, 3120, 3380, 3393, 3480, 3712, 3744, 3770, 4056, 4160, 4176, 4524, 4640, 4680, 4901, 4992, 5070, 5220, 5408, 5568, 5655, 5760, 6032, 6084, 6240, 6760, 6786, 6960, 7488, 7540, 7605, 8112, 8320, 8352, 9048, 9280, 9360, 9802, 10140, 10440, 10816, 11136, 11310, 12064, 12168, 12480, 13520, 13572, 13920, 14703, 14976, 15080, 15210, 16224, 16704, 16965, 18096, 18560, 18720, 19604, 20280, 20880, 21632, 22620, 24128, 24336, 24505, 24960, 27040, 27144, 27840, 29406, 30160, 30420, 32448, 33408, 33930, 36192, 37440, 39208, 40560, 41760, 44109, 45240, 48256, 48672, 49010, 54080, 54288, 55680, 58812, 60320, 60840, 64896, 67860, 72384, 73515, 74880, 78416, 81120, 83520, 88218, 90480, 97344, 98020, 108160, 108576, 117624, 120640, 121680, 135720, 144768, 147030, 156832, 162240, 167040, 176436, 180960, 194688, 196040, 217152, 220545, 235248, 241280, 243360, 271440, 294060, 313664, 324480, 352872, 361920, 392080, 434304, 441090, 470496, 486720, 542880, 588120, 627328, 705744, 723840, 784160, 882180, 940992, 973440, 1085760, 1176240, 1411488, 1568320, 1764360, 1881984, 2171520, 2352480, 2822976, 3136640, 3528720, 4704960, 5645952, 7057440, 9409920, 14114880, 28229760]

約数ペア:

[(1, 28229760), (2, 14114880), (3, 9409920), (4, 7057440), (5, 5645952), (6, 4704960), (8, 3528720), (9, 3136640), (10, 2822976), (12, 2352480), (13, 2171520), (15, 1881984), (16, 1764360), (18, 1568320), (20, 1411488), (24, 1176240), (26, 1085760), (29, 973440), (30, 940992), (32, 882180), (36, 784160), (39, 723840), (40, 705744), (45, 627328), (48, 588120), (52, 542880), (58, 486720), (60, 470496), (64, 441090), (65, 434304), (72, 392080), (78, 361920), (80, 352872), (87, 324480), (90, 313664), (96, 294060), (104, 271440), (116, 243360), (117, 241280), (120, 235248), (128, 220545), (130, 217152), (144, 196040), (145, 194688), (156, 180960), (160, 176436), (169, 167040), (174, 162240), (180, 156832), (192, 147030), (195, 144768), (208, 135720), (232, 121680), (234, 120640), (240, 117624), (260, 108576), (261, 108160), (288, 98020), (290, 97344), (312, 90480), (320, 88218), (338, 83520), (348, 81120), (360, 78416), (377, 74880), (384, 73515), (390, 72384), (416, 67860), (435, 64896), (464, 60840), (468, 60320), (480, 58812), (507, 55680), (520, 54288), (522, 54080), (576, 49010), (580, 48672), (585, 48256), (624, 45240), (640, 44109), (676, 41760), (696, 40560), (720, 39208), (754, 37440), (780, 36192), (832, 33930), (845, 33408), (870, 32448), (928, 30420), (936, 30160), (960, 29406), (1014, 27840), (1040, 27144), (1044, 27040), (1131, 24960), (1152, 24505), (1160, 24336), (1170, 24128), (1248, 22620), (1305, 21632), (1352, 20880), (1392, 20280), (1440, 19604), (1508, 18720), (1521, 18560), (1560, 18096), (1664, 16965), (1690, 16704), (1740, 16224), (1856, 15210), (1872, 15080), (1885, 14976), (1920, 14703), (2028, 13920), (2080, 13572), (2088, 13520), (2262, 12480), (2320, 12168), (2340, 12064), (2496, 11310), (2535, 11136), (2610, 10816), (2704, 10440), (2784, 10140), (2880, 9802), (3016, 9360), (3042, 9280), (3120, 9048), (3380, 8352), (3393, 8320), (3480, 8112), (3712, 7605), (3744, 7540), (3770, 7488), (4056, 6960), (4160, 6786), (4176, 6760), (4524, 6240), (4640, 6084), (4680, 6032), (4901, 5760), (4992, 5655), (5070, 5568), (5220, 5408)]