78840320

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 160

約数和(自身を含む): 214486272

約数和(自身を除く): 135645952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 103, 104, 115, 128, 130, 160, 184, 206, 208, 230, 256, 260, 299, 320, 368, 412, 416, 460, 512, 515, 520, 598, 640, 736, 824, 832, 920, 1030, 1040, 1196, 1280, 1339, 1472, 1495, 1648, 1664, 1840, 2060, 2080, 2369, 2392, 2560, 2678, 2944, 2990, 3296, 3328, 3680, 4120, 4160, 4738, 4784, 5356, 5888, 5980, 6592, 6656, 6695, 7360, 8240, 8320, 9476, 9568, 10712, 11776, 11845, 11960, 13184, 13390, 14720, 16480, 16640, 18952, 19136, 21424, 23690, 23920, 26368, 26780, 29440, 30797, 32960, 33280, 37904, 38272, 42848, 47380, 47840, 52736, 53560, 58880, 61594, 65920, 75808, 76544, 85696, 94760, 95680, 107120, 123188, 131840, 151616, 153088, 153985, 171392, 189520, 191360, 214240, 246376, 263680, 303232, 307970, 342784, 379040, 382720, 428480, 492752, 606464, 615940, 685568, 758080, 765440, 856960, 985504, 1212928, 1231880, 1516160, 1713920, 1971008, 2463760, 3032320, 3427840, 3942016, 4927520, 6064640, 7884032, 9855040, 15768064, 19710080, 39420160, 78840320]

約数ペア:

[(1, 78840320), (2, 39420160), (4, 19710080), (5, 15768064), (8, 9855040), (10, 7884032), (13, 6064640), (16, 4927520), (20, 3942016), (23, 3427840), (26, 3032320), (32, 2463760), (40, 1971008), (46, 1713920), (52, 1516160), (64, 1231880), (65, 1212928), (80, 985504), (92, 856960), (103, 765440), (104, 758080), (115, 685568), (128, 615940), (130, 606464), (160, 492752), (184, 428480), (206, 382720), (208, 379040), (230, 342784), (256, 307970), (260, 303232), (299, 263680), (320, 246376), (368, 214240), (412, 191360), (416, 189520), (460, 171392), (512, 153985), (515, 153088), (520, 151616), (598, 131840), (640, 123188), (736, 107120), (824, 95680), (832, 94760), (920, 85696), (1030, 76544), (1040, 75808), (1196, 65920), (1280, 61594), (1339, 58880), (1472, 53560), (1495, 52736), (1648, 47840), (1664, 47380), (1840, 42848), (2060, 38272), (2080, 37904), (2369, 33280), (2392, 32960), (2560, 30797), (2678, 29440), (2944, 26780), (2990, 26368), (3296, 23920), (3328, 23690), (3680, 21424), (4120, 19136), (4160, 18952), (4738, 16640), (4784, 16480), (5356, 14720), (5888, 13390), (5980, 13184), (6592, 11960), (6656, 11845), (6695, 11776), (7360, 10712), (8240, 9568), (8320, 9476)]