85003520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 238412160

約数和(自身を除く): 153408640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 179, 212, 224, 256, 265, 280, 320, 358, 371, 424, 448, 530, 560, 640, 716, 742, 848, 895, 896, 1060, 1120, 1253, 1280, 1432, 1484, 1696, 1790, 1792, 1855, 2120, 2240, 2506, 2864, 2968, 3392, 3580, 3710, 4240, 4480, 5012, 5728, 5936, 6265, 6784, 7160, 7420, 8480, 8960, 9487, 10024, 11456, 11872, 12530, 13568, 14320, 14840, 16960, 18974, 20048, 22912, 23744, 25060, 28640, 29680, 33920, 37948, 40096, 45824, 47435, 47488, 50120, 57280, 59360, 66409, 67840, 75896, 80192, 94870, 94976, 100240, 114560, 118720, 132818, 151792, 160384, 189740, 200480, 229120, 237440, 265636, 303584, 320768, 332045, 379480, 400960, 474880, 531272, 607168, 664090, 758960, 801920, 1062544, 1214336, 1328180, 1517920, 1603840, 2125088, 2428672, 2656360, 3035840, 4250176, 5312720, 6071680, 8500352, 10625440, 12143360, 17000704, 21250880, 42501760, 85003520]

約数ペア:

[(1, 85003520), (2, 42501760), (4, 21250880), (5, 17000704), (7, 12143360), (8, 10625440), (10, 8500352), (14, 6071680), (16, 5312720), (20, 4250176), (28, 3035840), (32, 2656360), (35, 2428672), (40, 2125088), (53, 1603840), (56, 1517920), (64, 1328180), (70, 1214336), (80, 1062544), (106, 801920), (112, 758960), (128, 664090), (140, 607168), (160, 531272), (179, 474880), (212, 400960), (224, 379480), (256, 332045), (265, 320768), (280, 303584), (320, 265636), (358, 237440), (371, 229120), (424, 200480), (448, 189740), (530, 160384), (560, 151792), (640, 132818), (716, 118720), (742, 114560), (848, 100240), (895, 94976), (896, 94870), (1060, 80192), (1120, 75896), (1253, 67840), (1280, 66409), (1432, 59360), (1484, 57280), (1696, 50120), (1790, 47488), (1792, 47435), (1855, 45824), (2120, 40096), (2240, 37948), (2506, 33920), (2864, 29680), (2968, 28640), (3392, 25060), (3580, 23744), (3710, 22912), (4240, 20048), (4480, 18974), (5012, 16960), (5728, 14840), (5936, 14320), (6265, 13568), (6784, 12530), (7160, 11872), (7420, 11456), (8480, 10024), (8960, 9487)]