156621640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 420147000

約数和(自身を除く): 263525360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 574, 820, 980, 1148, 1435, 1640, 1949, 1960, 2009, 2296, 2870, 3898, 4018, 5740, 7796, 8036, 9745, 10045, 11480, 13643, 15592, 16072, 19490, 20090, 27286, 38980, 40180, 54572, 68215, 77960, 79909, 80360, 95501, 109144, 136430, 159818, 191002, 272860, 319636, 382004, 399545, 477505, 545720, 559363, 639272, 764008, 799090, 955010, 1118726, 1598180, 1910020, 2237452, 2796815, 3196360, 3820040, 3915541, 4474904, 5593630, 7831082, 11187260, 15662164, 19577705, 22374520, 31324328, 39155410, 78310820, 156621640]

約数ペア:

[(1, 156621640), (2, 78310820), (4, 39155410), (5, 31324328), (7, 22374520), (8, 19577705), (10, 15662164), (14, 11187260), (20, 7831082), (28, 5593630), (35, 4474904), (40, 3915541), (41, 3820040), (49, 3196360), (56, 2796815), (70, 2237452), (82, 1910020), (98, 1598180), (140, 1118726), (164, 955010), (196, 799090), (205, 764008), (245, 639272), (280, 559363), (287, 545720), (328, 477505), (392, 399545), (410, 382004), (490, 319636), (574, 272860), (820, 191002), (980, 159818), (1148, 136430), (1435, 109144), (1640, 95501), (1949, 80360), (1960, 79909), (2009, 77960), (2296, 68215), (2870, 54572), (3898, 40180), (4018, 38980), (5740, 27286), (7796, 20090), (8036, 19490), (9745, 16072), (10045, 15592), (11480, 13643)]