164581480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 444948480

約数和(自身を除く): 280367000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 67, 70, 124, 134, 140, 155, 217, 248, 268, 280, 283, 310, 335, 434, 469, 536, 566, 620, 670, 868, 938, 1085, 1132, 1240, 1340, 1415, 1736, 1876, 1981, 2077, 2170, 2264, 2345, 2680, 2830, 3752, 3962, 4154, 4340, 4690, 5660, 7924, 8308, 8680, 8773, 9380, 9905, 10385, 11320, 14539, 15848, 16616, 17546, 18760, 18961, 19810, 20770, 29078, 35092, 37922, 39620, 41540, 43865, 58156, 61411, 70184, 72695, 75844, 79240, 83080, 87730, 94805, 116312, 122822, 132727, 145390, 151688, 175460, 189610, 245644, 265454, 290780, 307055, 350920, 379220, 491288, 530908, 581560, 587791, 614110, 663635, 758440, 1061816, 1175582, 1228220, 1327270, 2351164, 2456440, 2654540, 2938955, 4114537, 4702328, 5309080, 5877910, 8229074, 11755820, 16458148, 20572685, 23511640, 32916296, 41145370, 82290740, 164581480]

約数ペア:

[(1, 164581480), (2, 82290740), (4, 41145370), (5, 32916296), (7, 23511640), (8, 20572685), (10, 16458148), (14, 11755820), (20, 8229074), (28, 5877910), (31, 5309080), (35, 4702328), (40, 4114537), (56, 2938955), (62, 2654540), (67, 2456440), (70, 2351164), (124, 1327270), (134, 1228220), (140, 1175582), (155, 1061816), (217, 758440), (248, 663635), (268, 614110), (280, 587791), (283, 581560), (310, 530908), (335, 491288), (434, 379220), (469, 350920), (536, 307055), (566, 290780), (620, 265454), (670, 245644), (868, 189610), (938, 175460), (1085, 151688), (1132, 145390), (1240, 132727), (1340, 122822), (1415, 116312), (1736, 94805), (1876, 87730), (1981, 83080), (2077, 79240), (2170, 75844), (2264, 72695), (2345, 70184), (2680, 61411), (2830, 58156), (3752, 43865), (3962, 41540), (4154, 39620), (4340, 37922), (4690, 35092), (5660, 29078), (7924, 20770), (8308, 19810), (8680, 18961), (8773, 18760), (9380, 17546), (9905, 16616), (10385, 15848), (11320, 14539)]