661576656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1445

約数の個数: 160

約数和(自身を含む): 1986122880

約数和(自身を除く): 1324546224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 41, 48, 52, 57, 76, 78, 82, 104, 114, 123, 152, 156, 164, 208, 228, 246, 247, 304, 312, 328, 456, 492, 494, 533, 624, 656, 741, 779, 912, 984, 988, 1066, 1361, 1482, 1558, 1599, 1968, 1976, 2132, 2337, 2722, 2964, 3116, 3198, 3952, 4083, 4264, 4674, 5444, 5928, 6232, 6396, 8166, 8528, 9348, 10127, 10888, 11856, 12464, 12792, 16332, 17693, 18696, 20254, 21776, 25584, 25859, 30381, 32664, 35386, 37392, 40508, 51718, 53079, 55801, 60762, 65328, 70772, 77577, 81016, 103436, 106158, 111602, 121524, 141544, 155154, 162032, 167403, 206872, 212316, 223204, 243048, 283088, 310308, 334806, 336167, 413744, 424632, 446408, 486096, 620616, 669612, 672334, 725413, 849264, 892816, 1008501, 1060219, 1241232, 1339224, 1344668, 1450826, 2017002, 2120438, 2176239, 2678448, 2689336, 2901652, 3180657, 4034004, 4240876, 4352478, 5378672, 5803304, 6361314, 8068008, 8481752, 8704956, 11606608, 12722628, 13782847, 16136016, 16963504, 17409912, 25445256, 27565694, 34819824, 41348541, 50890512, 55131388, 82697082, 110262776, 165394164, 220525552, 330788328, 661576656]

約数ペア:

[(1, 661576656), (2, 330788328), (3, 220525552), (4, 165394164), (6, 110262776), (8, 82697082), (12, 55131388), (13, 50890512), (16, 41348541), (19, 34819824), (24, 27565694), (26, 25445256), (38, 17409912), (39, 16963504), (41, 16136016), (48, 13782847), (52, 12722628), (57, 11606608), (76, 8704956), (78, 8481752), (82, 8068008), (104, 6361314), (114, 5803304), (123, 5378672), (152, 4352478), (156, 4240876), (164, 4034004), (208, 3180657), (228, 2901652), (246, 2689336), (247, 2678448), (304, 2176239), (312, 2120438), (328, 2017002), (456, 1450826), (492, 1344668), (494, 1339224), (533, 1241232), (624, 1060219), (656, 1008501), (741, 892816), (779, 849264), (912, 725413), (984, 672334), (988, 669612), (1066, 620616), (1361, 486096), (1482, 446408), (1558, 424632), (1599, 413744), (1968, 336167), (1976, 334806), (2132, 310308), (2337, 283088), (2722, 243048), (2964, 223204), (3116, 212316), (3198, 206872), (3952, 167403), (4083, 162032), (4264, 155154), (4674, 141544), (5444, 121524), (5928, 111602), (6232, 106158), (6396, 103436), (8166, 81016), (8528, 77577), (9348, 70772), (10127, 65328), (10888, 60762), (11856, 55801), (12464, 53079), (12792, 51718), (16332, 40508), (17693, 37392), (18696, 35386), (20254, 32664), (21776, 30381), (25584, 25859)]