268505720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1309

約数の個数: 128

約数和(自身を含む): 745113600

約数和(自身を除く): 476607880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 380, 410, 532, 574, 665, 760, 779, 820, 1064, 1148, 1231, 1330, 1435, 1558, 1640, 2296, 2462, 2660, 2870, 3116, 3895, 4924, 5320, 5453, 5740, 6155, 6232, 7790, 8617, 9848, 10906, 11480, 12310, 15580, 17234, 21812, 23389, 24620, 27265, 31160, 34468, 43085, 43624, 46778, 49240, 50471, 54530, 68936, 86170, 93556, 100942, 109060, 116945, 163723, 172340, 187112, 201884, 218120, 233890, 252355, 327446, 344680, 353297, 403768, 467780, 504710, 654892, 706594, 818615, 935560, 958949, 1009420, 1309784, 1413188, 1637230, 1766485, 1917898, 2018840, 2826376, 3274460, 3532970, 3835796, 4794745, 6548920, 6712643, 7065940, 7671592, 9589490, 13425286, 14131880, 19178980, 26850572, 33563215, 38357960, 53701144, 67126430, 134252860, 268505720]

約数ペア:

[(1, 268505720), (2, 134252860), (4, 67126430), (5, 53701144), (7, 38357960), (8, 33563215), (10, 26850572), (14, 19178980), (19, 14131880), (20, 13425286), (28, 9589490), (35, 7671592), (38, 7065940), (40, 6712643), (41, 6548920), (56, 4794745), (70, 3835796), (76, 3532970), (82, 3274460), (95, 2826376), (133, 2018840), (140, 1917898), (152, 1766485), (164, 1637230), (190, 1413188), (205, 1309784), (266, 1009420), (280, 958949), (287, 935560), (328, 818615), (380, 706594), (410, 654892), (532, 504710), (574, 467780), (665, 403768), (760, 353297), (779, 344680), (820, 327446), (1064, 252355), (1148, 233890), (1231, 218120), (1330, 201884), (1435, 187112), (1558, 172340), (1640, 163723), (2296, 116945), (2462, 109060), (2660, 100942), (2870, 93556), (3116, 86170), (3895, 68936), (4924, 54530), (5320, 50471), (5453, 49240), (5740, 46778), (6155, 43624), (6232, 43085), (7790, 34468), (8617, 31160), (9848, 27265), (10906, 24620), (11480, 23389), (12310, 21812), (15580, 17234)]