19710080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 53464320

約数和(自身を除く): 33754240

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, 260, 299, 320, 368, 412, 416, 460, 515, 520, 598, 640, 736, 824, 832, 920, 1030, 1040, 1196, 1339, 1472, 1495, 1648, 1664, 1840, 2060, 2080, 2369, 2392, 2678, 2944, 2990, 3296, 3680, 4120, 4160, 4738, 4784, 5356, 5980, 6592, 6695, 7360, 8240, 8320, 9476, 9568, 10712, 11845, 11960, 13184, 13390, 14720, 16480, 18952, 19136, 21424, 23690, 23920, 26780, 30797, 32960, 37904, 38272, 42848, 47380, 47840, 53560, 61594, 65920, 75808, 85696, 94760, 95680, 107120, 123188, 151616, 153985, 171392, 189520, 191360, 214240, 246376, 303232, 307970, 379040, 428480, 492752, 615940, 758080, 856960, 985504, 1231880, 1516160, 1971008, 2463760, 3942016, 4927520, 9855040, 19710080]

約数ペア:

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