320001984

素因数分解:

$2^6\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1289}}^1$

素因数の和:1738

約数の個数: 84

約数和(自身を含む): 920069280

約数和(自身を除く): 600067296

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, 1289, 1293, 1724, 2578, 2586, 3448, 3867, 3879, 5156, 5172, 6896, 7734, 7758, 10312, 10344, 11601, 13792, 15468, 15516, 20624, 20688, 23202, 27584, 30936, 31032, 41248, 41376, 46404, 61872, 62064, 82496, 82752, 92808, 123744, 124128, 185616, 247488, 248256, 371232, 555559, 742464, 1111118, 1666677, 2222236, 3333354, 4444472, 5000031, 6666708, 8888944, 10000062, 13333416, 17777888, 20000124, 26666832, 35555776, 40000248, 53333664, 80000496, 106667328, 160000992, 320001984]

約数ペア:

[(1, 320001984), (2, 160000992), (3, 106667328), (4, 80000496), (6, 53333664), (8, 40000248), (9, 35555776), (12, 26666832), (16, 20000124), (18, 17777888), (24, 13333416), (32, 10000062), (36, 8888944), (48, 6666708), (64, 5000031), (72, 4444472), (96, 3333354), (144, 2222236), (192, 1666677), (288, 1111118), (431, 742464), (576, 555559), (862, 371232), (1289, 248256), (1293, 247488), (1724, 185616), (2578, 124128), (2586, 123744), (3448, 92808), (3867, 82752), (3879, 82496), (5156, 62064), (5172, 61872), (6896, 46404), (7734, 41376), (7758, 41248), (10312, 31032), (10344, 30936), (11601, 27584), (13792, 23202), (15468, 20688), (15516, 20624)]