131168640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 128

約数和(自身を含む): 426319200

約数和(自身を除く): 295150560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1289, 1590, 1696, 1920, 2120, 2544, 2578, 3180, 3392, 3867, 4240, 5088, 5156, 6360, 6445, 6784, 7734, 8480, 10176, 10312, 12720, 12890, 15468, 16960, 19335, 20352, 20624, 25440, 25780, 30936, 33920, 38670, 41248, 50880, 51560, 61872, 68317, 77340, 82496, 101760, 103120, 123744, 136634, 154680, 164992, 204951, 206240, 247488, 273268, 309360, 341585, 409902, 412480, 494976, 546536, 618720, 683170, 819804, 824960, 1024755, 1093072, 1237440, 1366340, 1639608, 2049510, 2186144, 2474880, 2732680, 3279216, 4099020, 4372288, 5465360, 6558432, 8198040, 8744576, 10930720, 13116864, 16396080, 21861440, 26233728, 32792160, 43722880, 65584320, 131168640]

約数ペア:

[(1, 131168640), (2, 65584320), (3, 43722880), (4, 32792160), (5, 26233728), (6, 21861440), (8, 16396080), (10, 13116864), (12, 10930720), (15, 8744576), (16, 8198040), (20, 6558432), (24, 5465360), (30, 4372288), (32, 4099020), (40, 3279216), (48, 2732680), (53, 2474880), (60, 2186144), (64, 2049510), (80, 1639608), (96, 1366340), (106, 1237440), (120, 1093072), (128, 1024755), (159, 824960), (160, 819804), (192, 683170), (212, 618720), (240, 546536), (265, 494976), (318, 412480), (320, 409902), (384, 341585), (424, 309360), (480, 273268), (530, 247488), (636, 206240), (640, 204951), (795, 164992), (848, 154680), (960, 136634), (1060, 123744), (1272, 103120), (1289, 101760), (1590, 82496), (1696, 77340), (1920, 68317), (2120, 61872), (2544, 51560), (2578, 50880), (3180, 41248), (3392, 38670), (3867, 33920), (4240, 30936), (5088, 25780), (5156, 25440), (6360, 20624), (6445, 20352), (6784, 19335), (7734, 16960), (8480, 15468), (10176, 12890), (10312, 12720)]