80440416

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{39901}}^1$

素因数の和:39924

約数の個数: 72

約数和(自身を含む): 261437904

約数和(自身を除く): 180997488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 39901, 79802, 119703, 159604, 239406, 279307, 319208, 359109, 478812, 558614, 638416, 718218, 837921, 957624, 1117228, 1276832, 1436436, 1675842, 1915248, 2234456, 2513763, 2872872, 3351684, 3830496, 4468912, 5027526, 5745744, 6703368, 8937824, 10055052, 11491488, 13406736, 20110104, 26813472, 40220208, 80440416]

約数ペア:

[(1, 80440416), (2, 40220208), (3, 26813472), (4, 20110104), (6, 13406736), (7, 11491488), (8, 10055052), (9, 8937824), (12, 6703368), (14, 5745744), (16, 5027526), (18, 4468912), (21, 3830496), (24, 3351684), (28, 2872872), (32, 2513763), (36, 2234456), (42, 1915248), (48, 1675842), (56, 1436436), (63, 1276832), (72, 1117228), (84, 957624), (96, 837921), (112, 718218), (126, 638416), (144, 558614), (168, 478812), (224, 359109), (252, 319208), (288, 279307), (336, 239406), (504, 159604), (672, 119703), (1008, 79802), (2016, 39901)]