18469920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 51203040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 239, 240, 276, 280, 322, 336, 345, 368, 420, 460, 478, 480, 483, 552, 560, 644, 672, 690, 717, 736, 805, 840, 920, 956, 966, 1104, 1120, 1195, 1288, 1380, 1434, 1610, 1673, 1680, 1840, 1912, 1932, 2208, 2390, 2415, 2576, 2760, 2868, 3220, 3346, 3360, 3585, 3680, 3824, 3864, 4780, 4830, 5019, 5152, 5497, 5520, 5736, 6440, 6692, 7170, 7648, 7728, 8365, 9560, 9660, 10038, 10994, 11040, 11472, 12880, 13384, 14340, 15456, 16491, 16730, 19120, 19320, 20076, 21988, 22944, 25095, 25760, 26768, 27485, 28680, 32982, 33460, 38240, 38479, 38640, 40152, 43976, 50190, 53536, 54970, 57360, 65964, 66920, 76958, 77280, 80304, 82455, 87952, 100380, 109940, 114720, 115437, 131928, 133840, 153916, 160608, 164910, 175904, 192395, 200760, 219880, 230874, 263856, 267680, 307832, 329820, 384790, 401520, 439760, 461748, 527712, 577185, 615664, 659640, 769580, 803040, 879520, 923496, 1154370, 1231328, 1319280, 1539160, 1846992, 2308740, 2638560, 3078320, 3693984, 4617480, 6156640, 9234960, 18469920]

約数ペア:

[(1, 18469920), (2, 9234960), (3, 6156640), (4, 4617480), (5, 3693984), (6, 3078320), (7, 2638560), (8, 2308740), (10, 1846992), (12, 1539160), (14, 1319280), (15, 1231328), (16, 1154370), (20, 923496), (21, 879520), (23, 803040), (24, 769580), (28, 659640), (30, 615664), (32, 577185), (35, 527712), (40, 461748), (42, 439760), (46, 401520), (48, 384790), (56, 329820), (60, 307832), (69, 267680), (70, 263856), (80, 230874), (84, 219880), (92, 200760), (96, 192395), (105, 175904), (112, 164910), (115, 160608), (120, 153916), (138, 133840), (140, 131928), (160, 115437), (161, 114720), (168, 109940), (184, 100380), (210, 87952), (224, 82455), (230, 80304), (239, 77280), (240, 76958), (276, 66920), (280, 65964), (322, 57360), (336, 54970), (345, 53536), (368, 50190), (420, 43976), (460, 40152), (478, 38640), (480, 38479), (483, 38240), (552, 33460), (560, 32982), (644, 28680), (672, 27485), (690, 26768), (717, 25760), (736, 25095), (805, 22944), (840, 21988), (920, 20076), (956, 19320), (966, 19120), (1104, 16730), (1120, 16491), (1195, 15456), (1288, 14340), (1380, 13384), (1434, 12880), (1610, 11472), (1673, 11040), (1680, 10994), (1840, 10038), (1912, 9660), (1932, 9560), (2208, 8365), (2390, 7728), (2415, 7648), (2576, 7170), (2760, 6692), (2868, 6440), (3220, 5736), (3346, 5520), (3360, 5497), (3585, 5152), (3680, 5019), (3824, 4830), (3864, 4780)]