31728480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 124104960

約数和(自身を除く): 92376480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 71, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 133, 140, 142, 147, 152, 160, 168, 190, 196, 210, 213, 224, 228, 240, 245, 266, 280, 284, 285, 294, 304, 336, 355, 380, 392, 399, 420, 426, 456, 480, 490, 497, 532, 560, 568, 570, 588, 608, 665, 672, 710, 735, 760, 784, 798, 840, 852, 912, 931, 980, 994, 1064, 1065, 1120, 1136, 1140, 1176, 1330, 1349, 1420, 1470, 1491, 1520, 1568, 1596, 1680, 1704, 1824, 1862, 1960, 1988, 1995, 2128, 2130, 2272, 2280, 2352, 2485, 2660, 2698, 2793, 2840, 2940, 2982, 3040, 3192, 3360, 3408, 3479, 3724, 3920, 3976, 3990, 4047, 4256, 4260, 4560, 4655, 4704, 4970, 5320, 5396, 5586, 5680, 5880, 5964, 6384, 6745, 6816, 6958, 7448, 7455, 7840, 7952, 7980, 8094, 8520, 9120, 9310, 9443, 9940, 10437, 10640, 10792, 11172, 11360, 11760, 11928, 12768, 13490, 13916, 13965, 14896, 14910, 15904, 15960, 16188, 17040, 17395, 18620, 18886, 19880, 20235, 20874, 21280, 21584, 22344, 23520, 23856, 26980, 27832, 27930, 28329, 29792, 29820, 31920, 32376, 34080, 34790, 37240, 37772, 39760, 40470, 41748, 43168, 44688, 47215, 47712, 52185, 53960, 55664, 55860, 56658, 59640, 63840, 64752, 66101, 69580, 74480, 75544, 79520, 80940, 83496, 89376, 94430, 104370, 107920, 111328, 111720, 113316, 119280, 129504, 132202, 139160, 141645, 148960, 151088, 161880, 166992, 188860, 198303, 208740, 215840, 223440, 226632, 238560, 264404, 278320, 283290, 302176, 323760, 330505, 333984, 377720, 396606, 417480, 446880, 453264, 528808, 556640, 566580, 647520, 661010, 755440, 793212, 834960, 906528, 991515, 1057616, 1133160, 1322020, 1510880, 1586424, 1669920, 1983030, 2115232, 2266320, 2644040, 3172848, 3966060, 4532640, 5288080, 6345696, 7932120, 10576160, 15864240, 31728480]

約数ペア:

[(1, 31728480), (2, 15864240), (3, 10576160), (4, 7932120), (5, 6345696), (6, 5288080), (7, 4532640), (8, 3966060), (10, 3172848), (12, 2644040), (14, 2266320), (15, 2115232), (16, 1983030), (19, 1669920), (20, 1586424), (21, 1510880), (24, 1322020), (28, 1133160), (30, 1057616), (32, 991515), (35, 906528), (38, 834960), (40, 793212), (42, 755440), (48, 661010), (49, 647520), (56, 566580), (57, 556640), (60, 528808), (70, 453264), (71, 446880), (76, 417480), (80, 396606), (84, 377720), (95, 333984), (96, 330505), (98, 323760), (105, 302176), (112, 283290), (114, 278320), (120, 264404), (133, 238560), (140, 226632), (142, 223440), (147, 215840), (152, 208740), (160, 198303), (168, 188860), (190, 166992), (196, 161880), (210, 151088), (213, 148960), (224, 141645), (228, 139160), (240, 132202), (245, 129504), (266, 119280), (280, 113316), (284, 111720), (285, 111328), (294, 107920), (304, 104370), (336, 94430), (355, 89376), (380, 83496), (392, 80940), (399, 79520), (420, 75544), (426, 74480), (456, 69580), (480, 66101), (490, 64752), (497, 63840), (532, 59640), (560, 56658), (568, 55860), (570, 55664), (588, 53960), (608, 52185), (665, 47712), (672, 47215), (710, 44688), (735, 43168), (760, 41748), (784, 40470), (798, 39760), (840, 37772), (852, 37240), (912, 34790), (931, 34080), (980, 32376), (994, 31920), (1064, 29820), (1065, 29792), (1120, 28329), (1136, 27930), (1140, 27832), (1176, 26980), (1330, 23856), (1349, 23520), (1420, 22344), (1470, 21584), (1491, 21280), (1520, 20874), (1568, 20235), (1596, 19880), (1680, 18886), (1704, 18620), (1824, 17395), (1862, 17040), (1960, 16188), (1988, 15960), (1995, 15904), (2128, 14910), (2130, 14896), (2272, 13965), (2280, 13916), (2352, 13490), (2485, 12768), (2660, 11928), (2698, 11760), (2793, 11360), (2840, 11172), (2940, 10792), (2982, 10640), (3040, 10437), (3192, 9940), (3360, 9443), (3408, 9310), (3479, 9120), (3724, 8520), (3920, 8094), (3976, 7980), (3990, 7952), (4047, 7840), (4256, 7455), (4260, 7448), (4560, 6958), (4655, 6816), (4704, 6745), (4970, 6384), (5320, 5964), (5396, 5880), (5586, 5680)]