19685427840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87631}}^1$

素因数の和:87672

約数の個数: 256

約数和(自身を含む): 75083097600

約数和(自身を除く): 55397669760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5760, 6240, 7020, 7488, 8320, 8640, 9360, 11232, 12480, 14040, 14976, 17280, 18720, 22464, 24960, 28080, 37440, 44928, 56160, 74880, 87631, 112320, 175262, 224640, 262893, 350524, 438155, 525786, 701048, 788679, 876310, 1051572, 1139203, 1314465, 1402096, 1577358, 1752620, 2103144, 2278406, 2366037, 2628930, 2804192, 3154716, 3417609, 3505240, 3943395, 4206288, 4556812, 4732074, 5257860, 5608384, 5696015, 6309432, 6835218, 7010480, 7886790, 8412576, 9113624, 9464148, 10252827, 10515720, 11216768, 11392030, 11830185, 12618864, 13670436, 14020960, 15773580, 16825152, 17088045, 18227248, 18928296, 20505654, 21031440, 22784060, 23660370, 25237728, 27340872, 28041920, 30758481, 31547160, 33650304, 34176090, 36454496, 37856592, 41011308, 42062880, 45568120, 47320740, 50475456, 51264135, 54681744, 56083840, 61516962, 63094320, 68352180, 72908992, 75713184, 82022616, 84125760, 91136240, 94641480, 100950912, 102528270, 109363488, 123033924, 126188640, 136704360, 145817984, 151426368, 153792405, 164045232, 168251520, 182272480, 189282960, 205056540, 218726976, 246067848, 252377280, 273408720, 302852736, 307584810, 328090464, 364544960, 378565920, 410113080, 437453952, 492135696, 504754560, 546817440, 615169620, 656180928, 729089920, 757131840, 820226160, 984271392, 1093634880, 1230339240, 1312361856, 1514263680, 1640452320, 1968542784, 2187269760, 2460678480, 3280904640, 3937085568, 4921356960, 6561809280, 9842713920, 19685427840]

約数ペア:

[(1, 19685427840), (2, 9842713920), (3, 6561809280), (4, 4921356960), (5, 3937085568), (6, 3280904640), (8, 2460678480), (9, 2187269760), (10, 1968542784), (12, 1640452320), (13, 1514263680), (15, 1312361856), (16, 1230339240), (18, 1093634880), (20, 984271392), (24, 820226160), (26, 757131840), (27, 729089920), (30, 656180928), (32, 615169620), (36, 546817440), (39, 504754560), (40, 492135696), (45, 437453952), (48, 410113080), (52, 378565920), (54, 364544960), (60, 328090464), (64, 307584810), (65, 302852736), (72, 273408720), (78, 252377280), (80, 246067848), (90, 218726976), (96, 205056540), (104, 189282960), (108, 182272480), (117, 168251520), (120, 164045232), (128, 153792405), (130, 151426368), (135, 145817984), (144, 136704360), (156, 126188640), (160, 123033924), (180, 109363488), (192, 102528270), (195, 100950912), (208, 94641480), (216, 91136240), (234, 84125760), (240, 82022616), (260, 75713184), (270, 72908992), (288, 68352180), (312, 63094320), (320, 61516962), (351, 56083840), (360, 54681744), (384, 51264135), (390, 50475456), (416, 47320740), (432, 45568120), (468, 42062880), (480, 41011308), (520, 37856592), (540, 36454496), (576, 34176090), (585, 33650304), (624, 31547160), (640, 30758481), (702, 28041920), (720, 27340872), (780, 25237728), (832, 23660370), (864, 22784060), (936, 21031440), (960, 20505654), (1040, 18928296), (1080, 18227248), (1152, 17088045), (1170, 16825152), (1248, 15773580), (1404, 14020960), (1440, 13670436), (1560, 12618864), (1664, 11830185), (1728, 11392030), (1755, 11216768), (1872, 10515720), (1920, 10252827), (2080, 9464148), (2160, 9113624), (2340, 8412576), (2496, 7886790), (2808, 7010480), (2880, 6835218), (3120, 6309432), (3456, 5696015), (3510, 5608384), (3744, 5257860), (4160, 4732074), (4320, 4556812), (4680, 4206288), (4992, 3943395), (5616, 3505240), (5760, 3417609), (6240, 3154716), (7020, 2804192), (7488, 2628930), (8320, 2366037), (8640, 2278406), (9360, 2103144), (11232, 1752620), (12480, 1577358), (14040, 1402096), (14976, 1314465), (17280, 1139203), (18720, 1051572), (22464, 876310), (24960, 788679), (28080, 701048), (37440, 525786), (44928, 438155), (56160, 350524), (74880, 262893), (87631, 224640), (112320, 175262)]