679280640

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 136

約数和(自身を含む): 2176827168

約数和(自身を除く): 1497546528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 691, 768, 960, 1024, 1280, 1382, 1536, 1920, 2048, 2073, 2560, 2764, 3072, 3455, 3840, 4096, 4146, 5120, 5528, 6144, 6910, 7680, 8192, 8292, 10240, 10365, 11056, 12288, 13820, 15360, 16384, 16584, 20480, 20730, 22112, 24576, 27640, 30720, 32768, 33168, 40960, 41460, 44224, 49152, 55280, 61440, 65536, 66336, 81920, 82920, 88448, 98304, 110560, 122880, 132672, 163840, 165840, 176896, 196608, 221120, 245760, 265344, 327680, 331680, 353792, 442240, 491520, 530688, 663360, 707584, 884480, 983040, 1061376, 1326720, 1415168, 1768960, 2122752, 2653440, 2830336, 3537920, 4245504, 5306880, 5660672, 7075840, 8491008, 10613760, 11321344, 14151680, 16982016, 21227520, 22642688, 28303360, 33964032, 42455040, 45285376, 56606720, 67928064, 84910080, 113213440, 135856128, 169820160, 226426880, 339640320, 679280640]

約数ペア:

[(1, 679280640), (2, 339640320), (3, 226426880), (4, 169820160), (5, 135856128), (6, 113213440), (8, 84910080), (10, 67928064), (12, 56606720), (15, 45285376), (16, 42455040), (20, 33964032), (24, 28303360), (30, 22642688), (32, 21227520), (40, 16982016), (48, 14151680), (60, 11321344), (64, 10613760), (80, 8491008), (96, 7075840), (120, 5660672), (128, 5306880), (160, 4245504), (192, 3537920), (240, 2830336), (256, 2653440), (320, 2122752), (384, 1768960), (480, 1415168), (512, 1326720), (640, 1061376), (691, 983040), (768, 884480), (960, 707584), (1024, 663360), (1280, 530688), (1382, 491520), (1536, 442240), (1920, 353792), (2048, 331680), (2073, 327680), (2560, 265344), (2764, 245760), (3072, 221120), (3455, 196608), (3840, 176896), (4096, 165840), (4146, 163840), (5120, 132672), (5528, 122880), (6144, 110560), (6910, 98304), (7680, 88448), (8192, 82920), (8292, 81920), (10240, 66336), (10365, 65536), (11056, 61440), (12288, 55280), (13820, 49152), (15360, 44224), (16384, 41460), (16584, 40960), (20480, 33168), (20730, 32768), (22112, 30720), (24576, 27640)]