253742440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 720679680

約数和(自身を除く): 466937240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 41, 46, 56, 62, 70, 82, 92, 115, 124, 140, 155, 161, 164, 184, 205, 217, 230, 248, 280, 287, 310, 322, 328, 410, 434, 460, 574, 620, 644, 713, 805, 820, 868, 920, 943, 961, 1085, 1148, 1240, 1271, 1288, 1426, 1435, 1610, 1640, 1736, 1886, 1922, 2170, 2296, 2542, 2852, 2870, 3220, 3565, 3772, 3844, 4340, 4715, 4805, 4991, 5084, 5704, 5740, 6355, 6440, 6601, 6727, 7130, 7544, 7688, 8680, 8897, 9430, 9610, 9982, 10168, 11480, 12710, 13202, 13454, 14260, 17794, 18860, 19220, 19964, 22103, 24955, 25420, 26404, 26908, 28520, 29233, 33005, 33635, 35588, 37720, 38440, 39401, 39928, 44206, 44485, 49910, 50840, 52808, 53816, 58466, 66010, 67270, 71176, 78802, 88412, 88970, 99820, 110515, 116932, 132020, 134540, 146165, 154721, 157604, 176824, 177940, 197005, 199640, 204631, 221030, 233864, 264040, 269080, 275807, 292330, 309442, 315208, 355880, 394010, 409262, 442060, 551614, 584660, 618884, 773605, 788020, 818524, 884120, 906223, 1023155, 1103228, 1169320, 1237768, 1379035, 1547210, 1576040, 1637048, 1812446, 2046310, 2206456, 2758070, 3094420, 3624892, 4092620, 4531115, 5516140, 6188840, 6343561, 7249784, 8185240, 9062230, 11032280, 12687122, 18124460, 25374244, 31717805, 36248920, 50748488, 63435610, 126871220, 253742440]

約数ペア:

[(1, 253742440), (2, 126871220), (4, 63435610), (5, 50748488), (7, 36248920), (8, 31717805), (10, 25374244), (14, 18124460), (20, 12687122), (23, 11032280), (28, 9062230), (31, 8185240), (35, 7249784), (40, 6343561), (41, 6188840), (46, 5516140), (56, 4531115), (62, 4092620), (70, 3624892), (82, 3094420), (92, 2758070), (115, 2206456), (124, 2046310), (140, 1812446), (155, 1637048), (161, 1576040), (164, 1547210), (184, 1379035), (205, 1237768), (217, 1169320), (230, 1103228), (248, 1023155), (280, 906223), (287, 884120), (310, 818524), (322, 788020), (328, 773605), (410, 618884), (434, 584660), (460, 551614), (574, 442060), (620, 409262), (644, 394010), (713, 355880), (805, 315208), (820, 309442), (868, 292330), (920, 275807), (943, 269080), (961, 264040), (1085, 233864), (1148, 221030), (1240, 204631), (1271, 199640), (1288, 197005), (1426, 177940), (1435, 176824), (1610, 157604), (1640, 154721), (1736, 146165), (1886, 134540), (1922, 132020), (2170, 116932), (2296, 110515), (2542, 99820), (2852, 88970), (2870, 88412), (3220, 78802), (3565, 71176), (3772, 67270), (3844, 66010), (4340, 58466), (4715, 53816), (4805, 52808), (4991, 50840), (5084, 49910), (5704, 44485), (5740, 44206), (6355, 39928), (6440, 39401), (6601, 38440), (6727, 37720), (7130, 35588), (7544, 33635), (7688, 33005), (8680, 29233), (8897, 28520), (9430, 26908), (9610, 26404), (9982, 25420), (10168, 24955), (11480, 22103), (12710, 19964), (13202, 19220), (13454, 18860), (14260, 17794)]