644685984

素因数分解:

$2^5\times 3^2\times {\mathrm{937}}^1\times {\mathrm{2389}}^1$

素因数の和:3342

約数の個数: 72

約数和(自身を含む): 1836050580

約数和(自身を除く): 1191364596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 937, 1874, 2389, 2811, 3748, 4778, 5622, 7167, 7496, 8433, 9556, 11244, 14334, 14992, 16866, 19112, 21501, 22488, 28668, 29984, 33732, 38224, 43002, 44976, 57336, 67464, 76448, 86004, 89952, 114672, 134928, 172008, 229344, 269856, 344016, 688032, 2238493, 4476986, 6715479, 8953972, 13430958, 17907944, 20146437, 26861916, 35815888, 40292874, 53723832, 71631776, 80585748, 107447664, 161171496, 214895328, 322342992, 644685984]

約数ペア:

[(1, 644685984), (2, 322342992), (3, 214895328), (4, 161171496), (6, 107447664), (8, 80585748), (9, 71631776), (12, 53723832), (16, 40292874), (18, 35815888), (24, 26861916), (32, 20146437), (36, 17907944), (48, 13430958), (72, 8953972), (96, 6715479), (144, 4476986), (288, 2238493), (937, 688032), (1874, 344016), (2389, 269856), (2811, 229344), (3748, 172008), (4778, 134928), (5622, 114672), (7167, 89952), (7496, 86004), (8433, 76448), (9556, 67464), (11244, 57336), (14334, 44976), (14992, 43002), (16866, 38224), (19112, 33732), (21501, 29984), (22488, 28668)]