138707520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{20641}}^1$

素因数の和:20668

約数の個数: 112

約数和(自身を含む): 503334528

約数和(自身を除く): 364627008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 20641, 41282, 61923, 82564, 103205, 123846, 144487, 165128, 206410, 247692, 288974, 309615, 330256, 412820, 433461, 495384, 577948, 619230, 660512, 722435, 825640, 866922, 990768, 1155896, 1238460, 1321024, 1444870, 1651280, 1733844, 1981536, 2167305, 2311792, 2476920, 2889740, 3302560, 3467688, 3963072, 4334610, 4623584, 4953840, 5779480, 6605120, 6935376, 8669220, 9247168, 9907680, 11558960, 13870752, 17338440, 19815360, 23117920, 27741504, 34676880, 46235840, 69353760, 138707520]

約数ペア:

[(1, 138707520), (2, 69353760), (3, 46235840), (4, 34676880), (5, 27741504), (6, 23117920), (7, 19815360), (8, 17338440), (10, 13870752), (12, 11558960), (14, 9907680), (15, 9247168), (16, 8669220), (20, 6935376), (21, 6605120), (24, 5779480), (28, 4953840), (30, 4623584), (32, 4334610), (35, 3963072), (40, 3467688), (42, 3302560), (48, 2889740), (56, 2476920), (60, 2311792), (64, 2167305), (70, 1981536), (80, 1733844), (84, 1651280), (96, 1444870), (105, 1321024), (112, 1238460), (120, 1155896), (140, 990768), (160, 866922), (168, 825640), (192, 722435), (210, 660512), (224, 619230), (240, 577948), (280, 495384), (320, 433461), (336, 412820), (420, 330256), (448, 309615), (480, 288974), (560, 247692), (672, 206410), (840, 165128), (960, 144487), (1120, 123846), (1344, 103205), (1680, 82564), (2240, 61923), (3360, 41282), (6720, 20641)]