306941440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 160

約数和(自身を含む): 829071936

約数和(自身を除く): 522130496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 256, 260, 299, 320, 368, 401, 416, 460, 512, 520, 598, 640, 736, 802, 832, 920, 1040, 1196, 1280, 1472, 1495, 1604, 1664, 1840, 2005, 2080, 2392, 2560, 2944, 2990, 3208, 3328, 3680, 4010, 4160, 4784, 5213, 5888, 5980, 6416, 6656, 7360, 8020, 8320, 9223, 9568, 10426, 11776, 11960, 12832, 14720, 16040, 16640, 18446, 19136, 20852, 23920, 25664, 26065, 29440, 32080, 33280, 36892, 38272, 41704, 46115, 47840, 51328, 52130, 58880, 64160, 73784, 76544, 83408, 92230, 95680, 102656, 104260, 119899, 128320, 147568, 153088, 166816, 184460, 191360, 205312, 208520, 239798, 256640, 295136, 333632, 368920, 382720, 417040, 479596, 513280, 590272, 599495, 667264, 737840, 765440, 834080, 959192, 1026560, 1180544, 1198990, 1334528, 1475680, 1668160, 1918384, 2361088, 2397980, 2669056, 2951360, 3336320, 3836768, 4722176, 4795960, 5902720, 6672640, 7673536, 9591920, 11805440, 13345280, 15347072, 19183840, 23610880, 30694144, 38367680, 61388288, 76735360, 153470720, 306941440]

約数ペア:

[(1, 306941440), (2, 153470720), (4, 76735360), (5, 61388288), (8, 38367680), (10, 30694144), (13, 23610880), (16, 19183840), (20, 15347072), (23, 13345280), (26, 11805440), (32, 9591920), (40, 7673536), (46, 6672640), (52, 5902720), (64, 4795960), (65, 4722176), (80, 3836768), (92, 3336320), (104, 2951360), (115, 2669056), (128, 2397980), (130, 2361088), (160, 1918384), (184, 1668160), (208, 1475680), (230, 1334528), (256, 1198990), (260, 1180544), (299, 1026560), (320, 959192), (368, 834080), (401, 765440), (416, 737840), (460, 667264), (512, 599495), (520, 590272), (598, 513280), (640, 479596), (736, 417040), (802, 382720), (832, 368920), (920, 333632), (1040, 295136), (1196, 256640), (1280, 239798), (1472, 208520), (1495, 205312), (1604, 191360), (1664, 184460), (1840, 166816), (2005, 153088), (2080, 147568), (2392, 128320), (2560, 119899), (2944, 104260), (2990, 102656), (3208, 95680), (3328, 92230), (3680, 83408), (4010, 76544), (4160, 73784), (4784, 64160), (5213, 58880), (5888, 52130), (5980, 51328), (6416, 47840), (6656, 46115), (7360, 41704), (8020, 38272), (8320, 36892), (9223, 33280), (9568, 32080), (10426, 29440), (11776, 26065), (11960, 25664), (12832, 23920), (14720, 20852), (16040, 19136), (16640, 18446)]