81531408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{563}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 241698816

約数和(自身を除く): 160167408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 431, 563, 862, 1126, 1293, 1689, 1724, 2252, 2586, 3017, 3378, 3448, 3941, 4504, 5172, 6034, 6756, 6896, 7882, 9008, 9051, 10344, 11823, 12068, 13512, 15764, 18102, 20688, 23646, 24136, 27024, 31528, 36204, 47292, 48272, 63056, 72408, 94584, 144816, 189168, 242653, 485306, 727959, 970612, 1455918, 1698571, 1941224, 2911836, 3397142, 3882448, 5095713, 5823672, 6794284, 10191426, 11647344, 13588568, 20382852, 27177136, 40765704, 81531408]

約数ペア:

[(1, 81531408), (2, 40765704), (3, 27177136), (4, 20382852), (6, 13588568), (7, 11647344), (8, 10191426), (12, 6794284), (14, 5823672), (16, 5095713), (21, 3882448), (24, 3397142), (28, 2911836), (42, 1941224), (48, 1698571), (56, 1455918), (84, 970612), (112, 727959), (168, 485306), (336, 242653), (431, 189168), (563, 144816), (862, 94584), (1126, 72408), (1293, 63056), (1689, 48272), (1724, 47292), (2252, 36204), (2586, 31528), (3017, 27024), (3378, 24136), (3448, 23646), (3941, 20688), (4504, 18102), (5172, 15764), (6034, 13512), (6756, 12068), (6896, 11823), (7882, 10344), (9008, 9051)]