81087216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{647}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 240413184

約数和(自身を除く): 159325968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 373, 647, 746, 1119, 1294, 1492, 1941, 2238, 2588, 2611, 2984, 3882, 4476, 4529, 5176, 5222, 5968, 7764, 7833, 8952, 9058, 10352, 10444, 13587, 15528, 15666, 17904, 18116, 20888, 27174, 31056, 31332, 36232, 41776, 54348, 62664, 72464, 108696, 125328, 217392, 241331, 482662, 723993, 965324, 1447986, 1689317, 1930648, 2895972, 3378634, 3861296, 5067951, 5791944, 6757268, 10135902, 11583888, 13514536, 20271804, 27029072, 40543608, 81087216]

約数ペア:

[(1, 81087216), (2, 40543608), (3, 27029072), (4, 20271804), (6, 13514536), (7, 11583888), (8, 10135902), (12, 6757268), (14, 5791944), (16, 5067951), (21, 3861296), (24, 3378634), (28, 2895972), (42, 1930648), (48, 1689317), (56, 1447986), (84, 965324), (112, 723993), (168, 482662), (336, 241331), (373, 217392), (647, 125328), (746, 108696), (1119, 72464), (1294, 62664), (1492, 54348), (1941, 41776), (2238, 36232), (2588, 31332), (2611, 31056), (2984, 27174), (3882, 20888), (4476, 18116), (4529, 17904), (5176, 15666), (5222, 15528), (5968, 13587), (7764, 10444), (7833, 10352), (8952, 9058)]