777870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 2154240

約数和(自身を除く): 1376370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 67, 86, 90, 129, 134, 135, 201, 215, 258, 270, 335, 387, 402, 430, 603, 645, 670, 774, 1005, 1161, 1206, 1290, 1809, 1935, 2010, 2322, 2881, 3015, 3618, 3870, 5762, 5805, 6030, 8643, 9045, 11610, 14405, 17286, 18090, 25929, 28810, 43215, 51858, 77787, 86430, 129645, 155574, 259290, 388935, 777870]

約数ペア:

[(1, 777870), (2, 388935), (3, 259290), (5, 155574), (6, 129645), (9, 86430), (10, 77787), (15, 51858), (18, 43215), (27, 28810), (30, 25929), (43, 18090), (45, 17286), (54, 14405), (67, 11610), (86, 9045), (90, 8643), (129, 6030), (134, 5805), (135, 5762), (201, 3870), (215, 3618), (258, 3015), (270, 2881), (335, 2322), (387, 2010), (402, 1935), (430, 1809), (603, 1290), (645, 1206), (670, 1161), (774, 1005)]