68521904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 157608960

約数和(自身を除く): 89087056

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 661, 682, 836, 1178, 1322, 1364, 1672, 2356, 2644, 2728, 3344, 4712, 5288, 5456, 6479, 7271, 9424, 10576, 12559, 12958, 14542, 20491, 25118, 25916, 29084, 40982, 50236, 51832, 58168, 81964, 100472, 103664, 116336, 138149, 163928, 200944, 225401, 276298, 327856, 389329, 450802, 552596, 778658, 901604, 1105192, 1557316, 1803208, 2210384, 3114632, 3606416, 4282619, 6229264, 8565238, 17130476, 34260952, 68521904]

約数ペア:

[(1, 68521904), (2, 34260952), (4, 17130476), (8, 8565238), (11, 6229264), (16, 4282619), (19, 3606416), (22, 3114632), (31, 2210384), (38, 1803208), (44, 1557316), (62, 1105192), (76, 901604), (88, 778658), (124, 552596), (152, 450802), (176, 389329), (209, 327856), (248, 276298), (304, 225401), (341, 200944), (418, 163928), (496, 138149), (589, 116336), (661, 103664), (682, 100472), (836, 81964), (1178, 58168), (1322, 51832), (1364, 50236), (1672, 40982), (2356, 29084), (2644, 25916), (2728, 25118), (3344, 20491), (4712, 14542), (5288, 12958), (5456, 12559), (6479, 10576), (7271, 9424)]