312011520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 1004029152

約数和(自身を除く): 692017632

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, 193, 240, 256, 320, 384, 386, 421, 480, 579, 640, 768, 772, 842, 960, 965, 1158, 1263, 1280, 1544, 1684, 1920, 1930, 2105, 2316, 2526, 2895, 3088, 3368, 3840, 3860, 4210, 4632, 5052, 5790, 6176, 6315, 6736, 7720, 8420, 9264, 10104, 11580, 12352, 12630, 13472, 15440, 16840, 18528, 20208, 23160, 24704, 25260, 26944, 30880, 33680, 37056, 40416, 46320, 49408, 50520, 53888, 61760, 67360, 74112, 80832, 81253, 92640, 101040, 107776, 123520, 134720, 148224, 161664, 162506, 185280, 202080, 243759, 247040, 269440, 323328, 325012, 370560, 404160, 406265, 487518, 538880, 650024, 741120, 808320, 812530, 975036, 1218795, 1300048, 1616640, 1625060, 1950072, 2437590, 2600096, 3250120, 3900144, 4875180, 5200192, 6500240, 7800288, 9750360, 10400384, 13000480, 15600576, 19500720, 20800768, 26000960, 31201152, 39001440, 52001920, 62402304, 78002880, 104003840, 156005760, 312011520]

約数ペア:

[(1, 312011520), (2, 156005760), (3, 104003840), (4, 78002880), (5, 62402304), (6, 52001920), (8, 39001440), (10, 31201152), (12, 26000960), (15, 20800768), (16, 19500720), (20, 15600576), (24, 13000480), (30, 10400384), (32, 9750360), (40, 7800288), (48, 6500240), (60, 5200192), (64, 4875180), (80, 3900144), (96, 3250120), (120, 2600096), (128, 2437590), (160, 1950072), (192, 1625060), (193, 1616640), (240, 1300048), (256, 1218795), (320, 975036), (384, 812530), (386, 808320), (421, 741120), (480, 650024), (579, 538880), (640, 487518), (768, 406265), (772, 404160), (842, 370560), (960, 325012), (965, 323328), (1158, 269440), (1263, 247040), (1280, 243759), (1544, 202080), (1684, 185280), (1920, 162506), (1930, 161664), (2105, 148224), (2316, 134720), (2526, 123520), (2895, 107776), (3088, 101040), (3368, 92640), (3840, 81253), (3860, 80832), (4210, 74112), (4632, 67360), (5052, 61760), (5790, 53888), (6176, 50520), (6315, 49408), (6736, 46320), (7720, 40416), (8420, 37056), (9264, 33680), (10104, 30880), (11580, 26944), (12352, 25260), (12630, 24704), (13472, 23160), (15440, 20208), (16840, 18528)]