161937160

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 492480000

約数和(自身を除く): 330542840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 37, 40, 44, 49, 55, 56, 58, 70, 74, 77, 88, 98, 110, 116, 140, 145, 148, 154, 185, 196, 203, 220, 232, 245, 259, 280, 290, 296, 308, 319, 343, 370, 385, 392, 406, 407, 440, 490, 518, 539, 580, 616, 638, 686, 740, 770, 812, 814, 980, 1015, 1036, 1073, 1078, 1160, 1276, 1295, 1372, 1421, 1480, 1540, 1595, 1624, 1628, 1715, 1813, 1960, 2030, 2035, 2072, 2146, 2156, 2233, 2552, 2590, 2695, 2744, 2842, 2849, 3080, 3190, 3256, 3430, 3626, 3773, 4060, 4070, 4292, 4312, 4466, 5180, 5365, 5390, 5684, 5698, 6380, 6860, 7105, 7252, 7511, 7546, 8120, 8140, 8584, 8932, 9065, 9947, 10360, 10730, 10780, 11165, 11368, 11396, 11803, 12691, 12760, 13720, 14210, 14245, 14504, 15022, 15092, 15631, 16280, 17864, 18130, 18865, 19894, 19943, 21460, 21560, 22330, 22792, 23606, 25382, 28420, 28490, 30044, 30184, 31262, 36260, 37555, 37730, 39788, 39886, 42920, 44660, 47212, 49735, 50764, 52577, 56840, 56980, 59015, 60088, 62524, 63455, 72520, 75110, 75460, 78155, 79576, 79772, 82621, 89320, 94424, 99470, 99715, 101528, 105154, 109417, 113960, 118030, 125048, 126910, 139601, 150220, 150920, 156310, 159544, 165242, 198940, 199430, 210308, 218834, 236060, 253820, 262885, 279202, 300440, 312620, 330484, 368039, 397880, 398860, 413105, 420616, 437668, 472120, 507640, 525770, 547085, 558404, 578347, 625240, 660968, 698005, 736078, 797720, 826210, 875336, 1051540, 1094170, 1116808, 1156694, 1396010, 1472156, 1652420, 1840195, 2103080, 2188340, 2313388, 2792020, 2891735, 2944312, 3304840, 3680390, 4048429, 4376680, 4626776, 5584040, 5783470, 7360780, 8096858, 11566940, 14721560, 16193716, 20242145, 23133880, 32387432, 40484290, 80968580, 161937160]

約数ペア:

[(1, 161937160), (2, 80968580), (4, 40484290), (5, 32387432), (7, 23133880), (8, 20242145), (10, 16193716), (11, 14721560), (14, 11566940), (20, 8096858), (22, 7360780), (28, 5783470), (29, 5584040), (35, 4626776), (37, 4376680), (40, 4048429), (44, 3680390), (49, 3304840), (55, 2944312), (56, 2891735), (58, 2792020), (70, 2313388), (74, 2188340), (77, 2103080), (88, 1840195), (98, 1652420), (110, 1472156), (116, 1396010), (140, 1156694), (145, 1116808), (148, 1094170), (154, 1051540), (185, 875336), (196, 826210), (203, 797720), (220, 736078), (232, 698005), (245, 660968), (259, 625240), (280, 578347), (290, 558404), (296, 547085), (308, 525770), (319, 507640), (343, 472120), (370, 437668), (385, 420616), (392, 413105), (406, 398860), (407, 397880), (440, 368039), (490, 330484), (518, 312620), (539, 300440), (580, 279202), (616, 262885), (638, 253820), (686, 236060), (740, 218834), (770, 210308), (812, 199430), (814, 198940), (980, 165242), (1015, 159544), (1036, 156310), (1073, 150920), (1078, 150220), (1160, 139601), (1276, 126910), (1295, 125048), (1372, 118030), (1421, 113960), (1480, 109417), (1540, 105154), (1595, 101528), (1624, 99715), (1628, 99470), (1715, 94424), (1813, 89320), (1960, 82621), (2030, 79772), (2035, 79576), (2072, 78155), (2146, 75460), (2156, 75110), (2233, 72520), (2552, 63455), (2590, 62524), (2695, 60088), (2744, 59015), (2842, 56980), (2849, 56840), (3080, 52577), (3190, 50764), (3256, 49735), (3430, 47212), (3626, 44660), (3773, 42920), (4060, 39886), (4070, 39788), (4292, 37730), (4312, 37555), (4466, 36260), (5180, 31262), (5365, 30184), (5390, 30044), (5684, 28490), (5698, 28420), (6380, 25382), (6860, 23606), (7105, 22792), (7252, 22330), (7511, 21560), (7546, 21460), (8120, 19943), (8140, 19894), (8584, 18865), (8932, 18130), (9065, 17864), (9947, 16280), (10360, 15631), (10730, 15092), (10780, 15022), (11165, 14504), (11368, 14245), (11396, 14210), (11803, 13720), (12691, 12760)]