67806920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 158976000

約数和(自身を除く): 91169080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 367, 596, 620, 734, 745, 1192, 1240, 1468, 1490, 1835, 2936, 2980, 3670, 4619, 5960, 7340, 9238, 11377, 14680, 18476, 22754, 23095, 36952, 45508, 46190, 54683, 56885, 91016, 92380, 109366, 113770, 184760, 218732, 227540, 273415, 437464, 455080, 546830, 1093660, 1695173, 2187320, 3390346, 6780692, 8475865, 13561384, 16951730, 33903460, 67806920]

約数ペア:

[(1, 67806920), (2, 33903460), (4, 16951730), (5, 13561384), (8, 8475865), (10, 6780692), (20, 3390346), (31, 2187320), (40, 1695173), (62, 1093660), (124, 546830), (149, 455080), (155, 437464), (248, 273415), (298, 227540), (310, 218732), (367, 184760), (596, 113770), (620, 109366), (734, 92380), (745, 91016), (1192, 56885), (1240, 54683), (1468, 46190), (1490, 45508), (1835, 36952), (2936, 23095), (2980, 22754), (3670, 18476), (4619, 14680), (5960, 11377), (7340, 9238)]