320498496

素因数分解:

$2^6\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1291}}^1$

素因数の和:1740

約数の個数: 84

約数和(自身を含む): 921495744

約数和(自身を除く): 600997248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 431, 576, 862, 1291, 1293, 1724, 2582, 2586, 3448, 3873, 3879, 5164, 5172, 6896, 7746, 7758, 10328, 10344, 11619, 13792, 15492, 15516, 20656, 20688, 23238, 27584, 30984, 31032, 41312, 41376, 46476, 61968, 62064, 82624, 82752, 92952, 123936, 124128, 185904, 247872, 248256, 371808, 556421, 743616, 1112842, 1669263, 2225684, 3338526, 4451368, 5007789, 6677052, 8902736, 10015578, 13354104, 17805472, 20031156, 26708208, 35610944, 40062312, 53416416, 80124624, 106832832, 160249248, 320498496]

約数ペア:

[(1, 320498496), (2, 160249248), (3, 106832832), (4, 80124624), (6, 53416416), (8, 40062312), (9, 35610944), (12, 26708208), (16, 20031156), (18, 17805472), (24, 13354104), (32, 10015578), (36, 8902736), (48, 6677052), (64, 5007789), (72, 4451368), (96, 3338526), (144, 2225684), (192, 1669263), (288, 1112842), (431, 743616), (576, 556421), (862, 371808), (1291, 248256), (1293, 247872), (1724, 185904), (2582, 124128), (2586, 123936), (3448, 92952), (3873, 82752), (3879, 82624), (5164, 62064), (5172, 61968), (6896, 46476), (7746, 41376), (7758, 41312), (10328, 31032), (10344, 30984), (11619, 27584), (13792, 23238), (15492, 20688), (15516, 20656)]