788798720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 1979507712

約数和(自身を除く): 1190708992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 128, 155, 160, 193, 206, 248, 256, 310, 320, 386, 412, 496, 515, 620, 640, 772, 824, 965, 992, 1030, 1240, 1280, 1544, 1648, 1930, 1984, 2060, 2480, 3088, 3193, 3296, 3860, 3968, 4120, 4960, 5983, 6176, 6386, 6592, 7720, 7936, 8240, 9920, 11966, 12352, 12772, 13184, 15440, 15965, 16480, 19840, 19879, 23932, 24704, 25544, 26368, 29915, 30880, 31930, 32960, 39680, 39758, 47864, 49408, 51088, 59830, 61760, 63860, 65920, 79516, 95728, 99395, 102176, 119660, 123520, 127720, 131840, 159032, 191456, 198790, 204352, 239320, 247040, 255440, 318064, 382912, 397580, 408704, 478640, 510880, 616249, 636128, 765824, 795160, 817408, 957280, 1021760, 1232498, 1272256, 1531648, 1590320, 1914560, 2043520, 2464996, 2544512, 3081245, 3180640, 3829120, 4087040, 4929992, 5089024, 6162490, 6361280, 7658240, 9859984, 12324980, 12722560, 19719968, 24649960, 25445120, 39439936, 49299920, 78879872, 98599840, 157759744, 197199680, 394399360, 788798720]

約数ペア:

[(1, 788798720), (2, 394399360), (4, 197199680), (5, 157759744), (8, 98599840), (10, 78879872), (16, 49299920), (20, 39439936), (31, 25445120), (32, 24649960), (40, 19719968), (62, 12722560), (64, 12324980), (80, 9859984), (103, 7658240), (124, 6361280), (128, 6162490), (155, 5089024), (160, 4929992), (193, 4087040), (206, 3829120), (248, 3180640), (256, 3081245), (310, 2544512), (320, 2464996), (386, 2043520), (412, 1914560), (496, 1590320), (515, 1531648), (620, 1272256), (640, 1232498), (772, 1021760), (824, 957280), (965, 817408), (992, 795160), (1030, 765824), (1240, 636128), (1280, 616249), (1544, 510880), (1648, 478640), (1930, 408704), (1984, 397580), (2060, 382912), (2480, 318064), (3088, 255440), (3193, 247040), (3296, 239320), (3860, 204352), (3968, 198790), (4120, 191456), (4960, 159032), (5983, 131840), (6176, 127720), (6386, 123520), (6592, 119660), (7720, 102176), (7936, 99395), (8240, 95728), (9920, 79516), (11966, 65920), (12352, 63860), (12772, 61760), (13184, 59830), (15440, 51088), (15965, 49408), (16480, 47864), (19840, 39758), (19879, 39680), (23932, 32960), (24704, 31930), (25544, 30880), (26368, 29915)]