306488320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1987

約数の個数: 88

約数和(自身を含む): 759322368

約数和(自身を除く): 452834048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1931, 1984, 2480, 2560, 3862, 3968, 4960, 5120, 7724, 7936, 9655, 9920, 15448, 15872, 19310, 19840, 30896, 31744, 38620, 39680, 59861, 61792, 77240, 79360, 119722, 123584, 154480, 158720, 239444, 247168, 299305, 308960, 478888, 494336, 598610, 617920, 957776, 988672, 1197220, 1235840, 1915552, 1977344, 2394440, 2471680, 3831104, 4788880, 4943360, 7662208, 9577760, 9886720, 15324416, 19155520, 30648832, 38311040, 61297664, 76622080, 153244160, 306488320]

約数ペア:

[(1, 306488320), (2, 153244160), (4, 76622080), (5, 61297664), (8, 38311040), (10, 30648832), (16, 19155520), (20, 15324416), (31, 9886720), (32, 9577760), (40, 7662208), (62, 4943360), (64, 4788880), (80, 3831104), (124, 2471680), (128, 2394440), (155, 1977344), (160, 1915552), (248, 1235840), (256, 1197220), (310, 988672), (320, 957776), (496, 617920), (512, 598610), (620, 494336), (640, 478888), (992, 308960), (1024, 299305), (1240, 247168), (1280, 239444), (1931, 158720), (1984, 154480), (2480, 123584), (2560, 119722), (3862, 79360), (3968, 77240), (4960, 61792), (5120, 59861), (7724, 39680), (7936, 38620), (9655, 31744), (9920, 30896), (15448, 19840), (15872, 19310)]