19988860080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{242819}}^1$

素因数の和:242856

約数の個数: 160

約数和(自身を含む): 72263232000

約数和(自身を除く): 52274371920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 5145, 5488, 5880, 6860, 8232, 10290, 11760, 13720, 16464, 20580, 27440, 41160, 82320, 242819, 485638, 728457, 971276, 1214095, 1456914, 1699733, 1942552, 2428190, 2913828, 3399466, 3642285, 3885104, 4856380, 5099199, 5827656, 6798932, 7284570, 8498665, 9712760, 10198398, 11655312, 11898131, 13597864, 14569140, 16997330, 19425520, 20396796, 23796262, 25495995, 27195728, 29138280, 33994660, 35694393, 40793592, 47592524, 50991990, 58276560, 59490655, 67989320, 71388786, 81587184, 83286917, 95185048, 101983980, 118981310, 135978640, 142777572, 166573834, 178471965, 190370096, 203967960, 237962620, 249860751, 285555144, 333147668, 356943930, 407935920, 416434585, 475925240, 499721502, 571110288, 666295336, 713887860, 832869170, 951850480, 999443004, 1249303755, 1332590672, 1427775720, 1665738340, 1998886008, 2498607510, 2855551440, 3331476680, 3997772016, 4997215020, 6662953360, 9994430040, 19988860080]

約数ペア:

[(1, 19988860080), (2, 9994430040), (3, 6662953360), (4, 4997215020), (5, 3997772016), (6, 3331476680), (7, 2855551440), (8, 2498607510), (10, 1998886008), (12, 1665738340), (14, 1427775720), (15, 1332590672), (16, 1249303755), (20, 999443004), (21, 951850480), (24, 832869170), (28, 713887860), (30, 666295336), (35, 571110288), (40, 499721502), (42, 475925240), (48, 416434585), (49, 407935920), (56, 356943930), (60, 333147668), (70, 285555144), (80, 249860751), (84, 237962620), (98, 203967960), (105, 190370096), (112, 178471965), (120, 166573834), (140, 142777572), (147, 135978640), (168, 118981310), (196, 101983980), (210, 95185048), (240, 83286917), (245, 81587184), (280, 71388786), (294, 67989320), (336, 59490655), (343, 58276560), (392, 50991990), (420, 47592524), (490, 40793592), (560, 35694393), (588, 33994660), (686, 29138280), (735, 27195728), (784, 25495995), (840, 23796262), (980, 20396796), (1029, 19425520), (1176, 16997330), (1372, 14569140), (1470, 13597864), (1680, 11898131), (1715, 11655312), (1960, 10198398), (2058, 9712760), (2352, 8498665), (2744, 7284570), (2940, 6798932), (3430, 5827656), (3920, 5099199), (4116, 4856380), (5145, 3885104), (5488, 3642285), (5880, 3399466), (6860, 2913828), (8232, 2428190), (10290, 1942552), (11760, 1699733), (13720, 1456914), (16464, 1214095), (20580, 971276), (27440, 728457), (41160, 485638), (82320, 242819)]