80691968

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 189208992

約数和(自身を除く): 108517024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 518, 592, 896, 1036, 1184, 1217, 1792, 2072, 2368, 2434, 4144, 4736, 4868, 8288, 8519, 9472, 9736, 16576, 17038, 19472, 33152, 34076, 38944, 45029, 66304, 68152, 77888, 90058, 136304, 155776, 180116, 272608, 311552, 315203, 360232, 545216, 630406, 720464, 1090432, 1260812, 1440928, 2180864, 2521624, 2881856, 5043248, 5763712, 10086496, 11527424, 20172992, 40345984, 80691968]

約数ペア:

[(1, 80691968), (2, 40345984), (4, 20172992), (7, 11527424), (8, 10086496), (14, 5763712), (16, 5043248), (28, 2881856), (32, 2521624), (37, 2180864), (56, 1440928), (64, 1260812), (74, 1090432), (112, 720464), (128, 630406), (148, 545216), (224, 360232), (256, 315203), (259, 311552), (296, 272608), (448, 180116), (518, 155776), (592, 136304), (896, 90058), (1036, 77888), (1184, 68152), (1217, 66304), (1792, 45029), (2072, 38944), (2368, 34076), (2434, 33152), (4144, 19472), (4736, 17038), (4868, 16576), (8288, 9736), (8519, 9472)]