381711680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 224

約数和(自身を含む): 1123614720

約数和(自身を除く): 741903040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 217, 224, 230, 239, 248, 280, 310, 320, 322, 368, 434, 448, 460, 478, 496, 560, 620, 644, 713, 736, 805, 868, 920, 956, 992, 1085, 1120, 1195, 1240, 1288, 1426, 1472, 1610, 1673, 1736, 1840, 1912, 1984, 2170, 2240, 2390, 2480, 2576, 2852, 3220, 3346, 3472, 3565, 3680, 3824, 4340, 4780, 4960, 4991, 5152, 5497, 5704, 6440, 6692, 6944, 7130, 7360, 7409, 7648, 8365, 8680, 9560, 9920, 9982, 10304, 10994, 11408, 12880, 13384, 13888, 14260, 14818, 15296, 16730, 17360, 19120, 19964, 21988, 22816, 24955, 25760, 26768, 27485, 28520, 29636, 33460, 34720, 37045, 38240, 38479, 39928, 43976, 45632, 49910, 51520, 51863, 53536, 54970, 57040, 59272, 66920, 69440, 74090, 76480, 76958, 79856, 87952, 99820, 103726, 107072, 109940, 114080, 118544, 133840, 148180, 153916, 159712, 170407, 175904, 192395, 199640, 207452, 219880, 228160, 237088, 259315, 267680, 296360, 307832, 319424, 340814, 351808, 384790, 399280, 414904, 439760, 474176, 518630, 535360, 592720, 615664, 681628, 769580, 798560, 829808, 852035, 879520, 1037260, 1185440, 1192849, 1231328, 1363256, 1539160, 1597120, 1659616, 1704070, 1759040, 2074520, 2370880, 2385698, 2462656, 2726512, 3078320, 3319232, 3408140, 4149040, 4771396, 5453024, 5964245, 6156640, 6816280, 8298080, 9542792, 10906048, 11928490, 12313280, 13632560, 16596160, 19085584, 23856980, 27265120, 38171168, 47713960, 54530240, 76342336, 95427920, 190855840, 381711680]

約数ペア:

[(1, 381711680), (2, 190855840), (4, 95427920), (5, 76342336), (7, 54530240), (8, 47713960), (10, 38171168), (14, 27265120), (16, 23856980), (20, 19085584), (23, 16596160), (28, 13632560), (31, 12313280), (32, 11928490), (35, 10906048), (40, 9542792), (46, 8298080), (56, 6816280), (62, 6156640), (64, 5964245), (70, 5453024), (80, 4771396), (92, 4149040), (112, 3408140), (115, 3319232), (124, 3078320), (140, 2726512), (155, 2462656), (160, 2385698), (161, 2370880), (184, 2074520), (217, 1759040), (224, 1704070), (230, 1659616), (239, 1597120), (248, 1539160), (280, 1363256), (310, 1231328), (320, 1192849), (322, 1185440), (368, 1037260), (434, 879520), (448, 852035), (460, 829808), (478, 798560), (496, 769580), (560, 681628), (620, 615664), (644, 592720), (713, 535360), (736, 518630), (805, 474176), (868, 439760), (920, 414904), (956, 399280), (992, 384790), (1085, 351808), (1120, 340814), (1195, 319424), (1240, 307832), (1288, 296360), (1426, 267680), (1472, 259315), (1610, 237088), (1673, 228160), (1736, 219880), (1840, 207452), (1912, 199640), (1984, 192395), (2170, 175904), (2240, 170407), (2390, 159712), (2480, 153916), (2576, 148180), (2852, 133840), (3220, 118544), (3346, 114080), (3472, 109940), (3565, 107072), (3680, 103726), (3824, 99820), (4340, 87952), (4780, 79856), (4960, 76958), (4991, 76480), (5152, 74090), (5497, 69440), (5704, 66920), (6440, 59272), (6692, 57040), (6944, 54970), (7130, 53536), (7360, 51863), (7409, 51520), (7648, 49910), (8365, 45632), (8680, 43976), (9560, 39928), (9920, 38479), (9982, 38240), (10304, 37045), (10994, 34720), (11408, 33460), (12880, 29636), (13384, 28520), (13888, 27485), (14260, 26768), (14818, 25760), (15296, 24955), (16730, 22816), (17360, 21988), (19120, 19964)]