646128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{641}}^1$

素因数の和:662

約数の個数: 60

約数和(自身を含む): 2069808

約数和(自身を除く): 1423680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 641, 1008, 1282, 1923, 2564, 3846, 4487, 5128, 5769, 7692, 8974, 10256, 11538, 13461, 15384, 17948, 23076, 26922, 30768, 35896, 40383, 46152, 53844, 71792, 80766, 92304, 107688, 161532, 215376, 323064, 646128]

約数ペア:

[(1, 646128), (2, 323064), (3, 215376), (4, 161532), (6, 107688), (7, 92304), (8, 80766), (9, 71792), (12, 53844), (14, 46152), (16, 40383), (18, 35896), (21, 30768), (24, 26922), (28, 23076), (36, 17948), (42, 15384), (48, 13461), (56, 11538), (63, 10256), (72, 8974), (84, 7692), (112, 5769), (126, 5128), (144, 4487), (168, 3846), (252, 2564), (336, 1923), (504, 1282), (641, 1008)]