138976320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{20681}}^1$

素因数の和:20708

約数の個数: 112

約数和(自身を含む): 504309888

約数和(自身を除く): 365333568

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, 20681, 41362, 62043, 82724, 103405, 124086, 144767, 165448, 206810, 248172, 289534, 310215, 330896, 413620, 434301, 496344, 579068, 620430, 661792, 723835, 827240, 868602, 992688, 1158136, 1240860, 1323584, 1447670, 1654480, 1737204, 1985376, 2171505, 2316272, 2481720, 2895340, 3308960, 3474408, 3970752, 4343010, 4632544, 4963440, 5790680, 6617920, 6948816, 8686020, 9265088, 9926880, 11581360, 13897632, 17372040, 19853760, 23162720, 27795264, 34744080, 46325440, 69488160, 138976320]

約数ペア:

[(1, 138976320), (2, 69488160), (3, 46325440), (4, 34744080), (5, 27795264), (6, 23162720), (7, 19853760), (8, 17372040), (10, 13897632), (12, 11581360), (14, 9926880), (15, 9265088), (16, 8686020), (20, 6948816), (21, 6617920), (24, 5790680), (28, 4963440), (30, 4632544), (32, 4343010), (35, 3970752), (40, 3474408), (42, 3308960), (48, 2895340), (56, 2481720), (60, 2316272), (64, 2171505), (70, 1985376), (80, 1737204), (84, 1654480), (96, 1447670), (105, 1323584), (112, 1240860), (120, 1158136), (140, 992688), (160, 868602), (168, 827240), (192, 723835), (210, 661792), (224, 620430), (240, 579068), (280, 496344), (320, 434301), (336, 413620), (420, 330896), (448, 310215), (480, 289534), (560, 248172), (672, 206810), (840, 165448), (960, 144767), (1120, 124086), (1344, 103405), (1680, 82724), (2240, 62043), (3360, 41362), (6720, 20681)]