640826256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{2393}}^1$

素因数の和:3208

約数の個数: 80

約数和(自身を含む): 1895128704

約数和(自身を除く): 1254302448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 797, 1594, 2391, 2393, 3188, 4782, 4786, 5579, 6376, 7179, 9564, 9572, 11158, 12752, 14358, 16737, 16751, 19128, 19144, 22316, 28716, 33474, 33502, 38256, 38288, 44632, 50253, 57432, 66948, 67004, 89264, 100506, 114864, 133896, 134008, 201012, 267792, 268016, 402024, 804048, 1907221, 3814442, 5721663, 7628884, 11443326, 13350547, 15257768, 22886652, 26701094, 30515536, 40051641, 45773304, 53402188, 80103282, 91546608, 106804376, 160206564, 213608752, 320413128, 640826256]

約数ペア:

[(1, 640826256), (2, 320413128), (3, 213608752), (4, 160206564), (6, 106804376), (7, 91546608), (8, 80103282), (12, 53402188), (14, 45773304), (16, 40051641), (21, 30515536), (24, 26701094), (28, 22886652), (42, 15257768), (48, 13350547), (56, 11443326), (84, 7628884), (112, 5721663), (168, 3814442), (336, 1907221), (797, 804048), (1594, 402024), (2391, 268016), (2393, 267792), (3188, 201012), (4782, 134008), (4786, 133896), (5579, 114864), (6376, 100506), (7179, 89264), (9564, 67004), (9572, 66948), (11158, 57432), (12752, 50253), (14358, 44632), (16737, 38288), (16751, 38256), (19128, 33502), (19144, 33474), (22316, 28716)]