71554840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 197406720

約数和(自身を除く): 125851880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 271, 280, 287, 322, 328, 410, 460, 542, 574, 644, 805, 820, 920, 943, 1084, 1148, 1288, 1355, 1435, 1610, 1640, 1886, 1897, 2168, 2296, 2710, 2870, 3220, 3772, 3794, 4715, 5420, 5740, 6233, 6440, 6601, 7544, 7588, 9430, 9485, 10840, 11111, 11480, 12466, 13202, 15176, 18860, 18970, 22222, 24932, 26404, 31165, 33005, 37720, 37940, 43631, 44444, 49864, 52808, 55555, 62330, 66010, 75880, 77777, 87262, 88888, 111110, 124660, 132020, 155554, 174524, 218155, 222220, 249320, 255553, 264040, 311108, 349048, 388885, 436310, 444440, 511106, 622216, 777770, 872620, 1022212, 1277765, 1555540, 1745240, 1788871, 2044424, 2555530, 3111080, 3577742, 5111060, 7155484, 8944355, 10222120, 14310968, 17888710, 35777420, 71554840]

約数ペア:

[(1, 71554840), (2, 35777420), (4, 17888710), (5, 14310968), (7, 10222120), (8, 8944355), (10, 7155484), (14, 5111060), (20, 3577742), (23, 3111080), (28, 2555530), (35, 2044424), (40, 1788871), (41, 1745240), (46, 1555540), (56, 1277765), (70, 1022212), (82, 872620), (92, 777770), (115, 622216), (140, 511106), (161, 444440), (164, 436310), (184, 388885), (205, 349048), (230, 311108), (271, 264040), (280, 255553), (287, 249320), (322, 222220), (328, 218155), (410, 174524), (460, 155554), (542, 132020), (574, 124660), (644, 111110), (805, 88888), (820, 87262), (920, 77777), (943, 75880), (1084, 66010), (1148, 62330), (1288, 55555), (1355, 52808), (1435, 49864), (1610, 44444), (1640, 43631), (1886, 37940), (1897, 37720), (2168, 33005), (2296, 31165), (2710, 26404), (2870, 24932), (3220, 22222), (3772, 18970), (3794, 18860), (4715, 15176), (5420, 13202), (5740, 12466), (6233, 11480), (6440, 11111), (6601, 10840), (7544, 9485), (7588, 9430)]