490605480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 1638299520

約数和(自身を除く): 1147694040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 103, 120, 131, 180, 202, 206, 262, 303, 309, 360, 393, 404, 412, 505, 515, 524, 606, 618, 655, 786, 808, 824, 909, 927, 1010, 1030, 1048, 1179, 1212, 1236, 1310, 1515, 1545, 1572, 1818, 1854, 1965, 2020, 2060, 2358, 2424, 2472, 2620, 3030, 3090, 3144, 3636, 3708, 3930, 4040, 4120, 4545, 4635, 4716, 5240, 5895, 6060, 6180, 7272, 7416, 7860, 9090, 9270, 9432, 10403, 11790, 12120, 12360, 13231, 13493, 15720, 18180, 18540, 20806, 23580, 26462, 26986, 31209, 36360, 37080, 39693, 40479, 41612, 47160, 52015, 52924, 53972, 62418, 66155, 67465, 79386, 80958, 83224, 93627, 104030, 105848, 107944, 119079, 121437, 124836, 132310, 134930, 156045, 158772, 161916, 187254, 198465, 202395, 208060, 238158, 242874, 249672, 264620, 269860, 312090, 317544, 323832, 374508, 396930, 404790, 416120, 468135, 476316, 485748, 529240, 539720, 595395, 607185, 624180, 749016, 793860, 809580, 936270, 952632, 971496, 1190790, 1214370, 1248360, 1362793, 1587720, 1619160, 1872540, 2381580, 2428740, 2725586, 3745080, 4088379, 4763160, 4857480, 5451172, 6813965, 8176758, 10902344, 12265137, 13627930, 16353516, 20441895, 24530274, 27255860, 32707032, 40883790, 49060548, 54511720, 61325685, 81767580, 98121096, 122651370, 163535160, 245302740, 490605480]

約数ペア:

[(1, 490605480), (2, 245302740), (3, 163535160), (4, 122651370), (5, 98121096), (6, 81767580), (8, 61325685), (9, 54511720), (10, 49060548), (12, 40883790), (15, 32707032), (18, 27255860), (20, 24530274), (24, 20441895), (30, 16353516), (36, 13627930), (40, 12265137), (45, 10902344), (60, 8176758), (72, 6813965), (90, 5451172), (101, 4857480), (103, 4763160), (120, 4088379), (131, 3745080), (180, 2725586), (202, 2428740), (206, 2381580), (262, 1872540), (303, 1619160), (309, 1587720), (360, 1362793), (393, 1248360), (404, 1214370), (412, 1190790), (505, 971496), (515, 952632), (524, 936270), (606, 809580), (618, 793860), (655, 749016), (786, 624180), (808, 607185), (824, 595395), (909, 539720), (927, 529240), (1010, 485748), (1030, 476316), (1048, 468135), (1179, 416120), (1212, 404790), (1236, 396930), (1310, 374508), (1515, 323832), (1545, 317544), (1572, 312090), (1818, 269860), (1854, 264620), (1965, 249672), (2020, 242874), (2060, 238158), (2358, 208060), (2424, 202395), (2472, 198465), (2620, 187254), (3030, 161916), (3090, 158772), (3144, 156045), (3636, 134930), (3708, 132310), (3930, 124836), (4040, 121437), (4120, 119079), (4545, 107944), (4635, 105848), (4716, 104030), (5240, 93627), (5895, 83224), (6060, 80958), (6180, 79386), (7272, 67465), (7416, 66155), (7860, 62418), (9090, 53972), (9270, 52924), (9432, 52015), (10403, 47160), (11790, 41612), (12120, 40479), (12360, 39693), (13231, 37080), (13493, 36360), (15720, 31209), (18180, 26986), (18540, 26462), (20806, 23580)]