81875712

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 238085120

約数和(自身を除く): 156209408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 181, 186, 192, 228, 248, 256, 304, 362, 372, 384, 456, 496, 543, 589, 608, 724, 744, 768, 912, 992, 1086, 1178, 1216, 1448, 1488, 1767, 1824, 1984, 2172, 2356, 2432, 2896, 2976, 3439, 3534, 3648, 3968, 4344, 4712, 4864, 5611, 5792, 5952, 6878, 7068, 7296, 7936, 8688, 9424, 10317, 11222, 11584, 11904, 13756, 14136, 14592, 16833, 17376, 18848, 20634, 22444, 23168, 23808, 27512, 28272, 33666, 34752, 37696, 41268, 44888, 46336, 55024, 56544, 67332, 69504, 75392, 82536, 89776, 106609, 110048, 113088, 134664, 139008, 150784, 165072, 179552, 213218, 220096, 226176, 269328, 319827, 330144, 359104, 426436, 440192, 452352, 538656, 639654, 660288, 718208, 852872, 880384, 1077312, 1279308, 1320576, 1436416, 1705744, 2154624, 2558616, 2641152, 3411488, 4309248, 5117232, 6822976, 10234464, 13645952, 20468928, 27291904, 40937856, 81875712]

約数ペア:

[(1, 81875712), (2, 40937856), (3, 27291904), (4, 20468928), (6, 13645952), (8, 10234464), (12, 6822976), (16, 5117232), (19, 4309248), (24, 3411488), (31, 2641152), (32, 2558616), (38, 2154624), (48, 1705744), (57, 1436416), (62, 1320576), (64, 1279308), (76, 1077312), (93, 880384), (96, 852872), (114, 718208), (124, 660288), (128, 639654), (152, 538656), (181, 452352), (186, 440192), (192, 426436), (228, 359104), (248, 330144), (256, 319827), (304, 269328), (362, 226176), (372, 220096), (384, 213218), (456, 179552), (496, 165072), (543, 150784), (589, 139008), (608, 134664), (724, 113088), (744, 110048), (768, 106609), (912, 89776), (992, 82536), (1086, 75392), (1178, 69504), (1216, 67332), (1448, 56544), (1488, 55024), (1767, 46336), (1824, 44888), (1984, 41268), (2172, 37696), (2356, 34752), (2432, 33666), (2896, 28272), (2976, 27512), (3439, 23808), (3534, 23168), (3648, 22444), (3968, 20634), (4344, 18848), (4712, 17376), (4864, 16833), (5611, 14592), (5792, 14136), (5952, 13756), (6878, 11904), (7068, 11584), (7296, 11222), (7936, 10317), (8688, 9424)]