178073168

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 460803840

約数和(自身を除く): 282730672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 41, 52, 56, 76, 82, 91, 104, 112, 133, 152, 157, 164, 182, 208, 247, 266, 287, 304, 314, 328, 364, 494, 532, 533, 574, 628, 656, 728, 779, 988, 1064, 1066, 1099, 1148, 1256, 1456, 1558, 1729, 1976, 2041, 2128, 2132, 2198, 2296, 2512, 2983, 3116, 3458, 3731, 3952, 4082, 4264, 4396, 4592, 5453, 5966, 6232, 6437, 6916, 7462, 8164, 8528, 8792, 10127, 10906, 11932, 12464, 12874, 13832, 14287, 14924, 16328, 17584, 20254, 20881, 21812, 23864, 25748, 27664, 28574, 29848, 32656, 38779, 40508, 41762, 43624, 45059, 47728, 51496, 57148, 59696, 70889, 77558, 81016, 83524, 83681, 87248, 90118, 102992, 114296, 122303, 141778, 155116, 162032, 167048, 167362, 180236, 228592, 244606, 271453, 283556, 310232, 334096, 334724, 360472, 489212, 542906, 567112, 585767, 620464, 669448, 720944, 856121, 978424, 1085812, 1134224, 1171534, 1338896, 1589939, 1712242, 1956848, 2171624, 2343068, 3179878, 3424484, 4343248, 4686136, 6359756, 6848968, 9372272, 11129573, 12719512, 13697936, 22259146, 25439024, 44518292, 89036584, 178073168]

約数ペア:

[(1, 178073168), (2, 89036584), (4, 44518292), (7, 25439024), (8, 22259146), (13, 13697936), (14, 12719512), (16, 11129573), (19, 9372272), (26, 6848968), (28, 6359756), (38, 4686136), (41, 4343248), (52, 3424484), (56, 3179878), (76, 2343068), (82, 2171624), (91, 1956848), (104, 1712242), (112, 1589939), (133, 1338896), (152, 1171534), (157, 1134224), (164, 1085812), (182, 978424), (208, 856121), (247, 720944), (266, 669448), (287, 620464), (304, 585767), (314, 567112), (328, 542906), (364, 489212), (494, 360472), (532, 334724), (533, 334096), (574, 310232), (628, 283556), (656, 271453), (728, 244606), (779, 228592), (988, 180236), (1064, 167362), (1066, 167048), (1099, 162032), (1148, 155116), (1256, 141778), (1456, 122303), (1558, 114296), (1729, 102992), (1976, 90118), (2041, 87248), (2128, 83681), (2132, 83524), (2198, 81016), (2296, 77558), (2512, 70889), (2983, 59696), (3116, 57148), (3458, 51496), (3731, 47728), (3952, 45059), (4082, 43624), (4264, 41762), (4396, 40508), (4592, 38779), (5453, 32656), (5966, 29848), (6232, 28574), (6437, 27664), (6916, 25748), (7462, 23864), (8164, 21812), (8528, 20881), (8792, 20254), (10127, 17584), (10906, 16328), (11932, 14924), (12464, 14287), (12874, 13832)]