320857056

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2065

約数の個数: 144

約数和(自身を含む): 1005980976

約数和(自身を除く): 685123920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 624, 688, 774, 936, 1032, 1118, 1248, 1376, 1548, 1677, 1872, 1993, 2064, 2236, 3096, 3354, 3744, 3986, 4128, 4472, 5031, 5979, 6192, 6708, 7972, 8944, 10062, 11958, 12384, 13416, 15944, 17888, 17937, 20124, 23916, 25909, 26832, 31888, 35874, 40248, 47832, 51818, 53664, 63776, 71748, 77727, 80496, 85699, 95664, 103636, 143496, 155454, 160992, 171398, 191328, 207272, 233181, 257097, 286992, 310908, 342796, 414544, 466362, 514194, 573984, 621816, 685592, 771291, 829088, 932724, 1028388, 1114087, 1243632, 1371184, 1542582, 1865448, 2056776, 2228174, 2487264, 2742368, 3085164, 3342261, 3730896, 4113552, 4456348, 6170328, 6684522, 7461792, 8227104, 8912696, 10026783, 12340656, 13369044, 17825392, 20053566, 24681312, 26738088, 35650784, 40107132, 53476176, 80214264, 106952352, 160428528, 320857056]

約数ペア:

[(1, 320857056), (2, 160428528), (3, 106952352), (4, 80214264), (6, 53476176), (8, 40107132), (9, 35650784), (12, 26738088), (13, 24681312), (16, 20053566), (18, 17825392), (24, 13369044), (26, 12340656), (32, 10026783), (36, 8912696), (39, 8227104), (43, 7461792), (48, 6684522), (52, 6170328), (72, 4456348), (78, 4113552), (86, 3730896), (96, 3342261), (104, 3085164), (117, 2742368), (129, 2487264), (144, 2228174), (156, 2056776), (172, 1865448), (208, 1542582), (234, 1371184), (258, 1243632), (288, 1114087), (312, 1028388), (344, 932724), (387, 829088), (416, 771291), (468, 685592), (516, 621816), (559, 573984), (624, 514194), (688, 466362), (774, 414544), (936, 342796), (1032, 310908), (1118, 286992), (1248, 257097), (1376, 233181), (1548, 207272), (1677, 191328), (1872, 171398), (1993, 160992), (2064, 155454), (2236, 143496), (3096, 103636), (3354, 95664), (3744, 85699), (3986, 80496), (4128, 77727), (4472, 71748), (5031, 63776), (5979, 53664), (6192, 51818), (6708, 47832), (7972, 40248), (8944, 35874), (10062, 31888), (11958, 26832), (12384, 25909), (13416, 23916), (15944, 20124), (17888, 17937)]