80478776

素因数分解:

$2^3\times 7^3\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 178080000

約数和(自身を除く): 97601224

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 211, 278, 343, 392, 422, 556, 686, 844, 973, 1112, 1372, 1477, 1688, 1946, 2744, 2954, 3892, 5908, 6811, 7784, 10339, 11816, 13622, 20678, 27244, 29329, 41356, 47677, 54488, 58658, 72373, 82712, 95354, 117316, 144746, 190708, 205303, 234632, 289492, 381416, 410606, 578984, 821212, 1437121, 1642424, 2874242, 5748484, 10059847, 11496968, 20119694, 40239388, 80478776]

約数ペア:

[(1, 80478776), (2, 40239388), (4, 20119694), (7, 11496968), (8, 10059847), (14, 5748484), (28, 2874242), (49, 1642424), (56, 1437121), (98, 821212), (139, 578984), (196, 410606), (211, 381416), (278, 289492), (343, 234632), (392, 205303), (422, 190708), (556, 144746), (686, 117316), (844, 95354), (973, 82712), (1112, 72373), (1372, 58658), (1477, 54488), (1688, 47677), (1946, 41356), (2744, 29329), (2954, 27244), (3892, 20678), (5908, 13622), (6811, 11816), (7784, 10339)]