320721856

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7867}}^1$

素因数の和:7906

約数の個数: 84

約数和(自身を含む): 797390328

約数和(自身を除く): 476668472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 1274, 1456, 1568, 2548, 2912, 3136, 5096, 5824, 7867, 10192, 15734, 20384, 31468, 40768, 55069, 62936, 102271, 110138, 125872, 204542, 220276, 251744, 385483, 409084, 440552, 503488, 715897, 770966, 818168, 881104, 1431794, 1541932, 1636336, 1762208, 2863588, 3083864, 3272672, 3524416, 5011279, 5727176, 6167728, 6545344, 10022558, 11454352, 12335456, 20045116, 22908704, 24670912, 40090232, 45817408, 80180464, 160360928, 320721856]

約数ペア:

[(1, 320721856), (2, 160360928), (4, 80180464), (7, 45817408), (8, 40090232), (13, 24670912), (14, 22908704), (16, 20045116), (26, 12335456), (28, 11454352), (32, 10022558), (49, 6545344), (52, 6167728), (56, 5727176), (64, 5011279), (91, 3524416), (98, 3272672), (104, 3083864), (112, 2863588), (182, 1762208), (196, 1636336), (208, 1541932), (224, 1431794), (364, 881104), (392, 818168), (416, 770966), (448, 715897), (637, 503488), (728, 440552), (784, 409084), (832, 385483), (1274, 251744), (1456, 220276), (1568, 204542), (2548, 125872), (2912, 110138), (3136, 102271), (5096, 62936), (5824, 55069), (7867, 40768), (10192, 31468), (15734, 20384)]