66278080

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 112

約数和(自身を含む): 181416960

約数和(自身を除く): 115138880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 991, 1045, 1216, 1520, 1672, 1760, 1982, 2090, 3040, 3344, 3520, 3964, 4180, 4955, 6080, 6688, 7928, 8360, 9910, 10901, 13376, 15856, 16720, 18829, 19820, 21802, 31712, 33440, 37658, 39640, 43604, 54505, 63424, 66880, 75316, 79280, 87208, 94145, 109010, 150632, 158560, 174416, 188290, 207119, 218020, 301264, 317120, 348832, 376580, 414238, 436040, 602528, 697664, 753160, 828476, 872080, 1035595, 1205056, 1506320, 1656952, 1744160, 2071190, 3012640, 3313904, 3488320, 4142380, 6025280, 6627808, 8284760, 13255616, 16569520, 33139040, 66278080]

約数ペア:

[(1, 66278080), (2, 33139040), (4, 16569520), (5, 13255616), (8, 8284760), (10, 6627808), (11, 6025280), (16, 4142380), (19, 3488320), (20, 3313904), (22, 3012640), (32, 2071190), (38, 1744160), (40, 1656952), (44, 1506320), (55, 1205056), (64, 1035595), (76, 872080), (80, 828476), (88, 753160), (95, 697664), (110, 602528), (152, 436040), (160, 414238), (176, 376580), (190, 348832), (209, 317120), (220, 301264), (304, 218020), (320, 207119), (352, 188290), (380, 174416), (418, 158560), (440, 150632), (608, 109010), (704, 94145), (760, 87208), (836, 79280), (880, 75316), (991, 66880), (1045, 63424), (1216, 54505), (1520, 43604), (1672, 39640), (1760, 37658), (1982, 33440), (2090, 31712), (3040, 21802), (3344, 19820), (3520, 18829), (3964, 16720), (4180, 15856), (4955, 13376), (6080, 10901), (6688, 9910), (7928, 8360)]