81354384

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 243734400

約数和(自身を除く): 162380016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 167, 199, 204, 272, 306, 334, 398, 408, 501, 597, 612, 668, 796, 816, 1002, 1194, 1224, 1336, 1503, 1592, 1791, 2004, 2388, 2448, 2672, 2839, 3006, 3184, 3383, 3582, 4008, 4776, 5678, 6012, 6766, 7164, 8016, 8517, 9552, 10149, 11356, 12024, 13532, 14328, 17034, 20298, 22712, 24048, 25551, 27064, 28656, 30447, 33233, 34068, 40596, 45424, 51102, 54128, 60894, 66466, 68136, 81192, 99699, 102204, 121788, 132932, 136272, 162384, 199398, 204408, 243576, 265864, 299097, 398796, 408816, 487152, 531728, 564961, 598194, 797592, 1129922, 1196388, 1595184, 1694883, 2259844, 2392776, 3389766, 4519688, 4785552, 5084649, 6779532, 9039376, 10169298, 13559064, 20338596, 27118128, 40677192, 81354384]

約数ペア:

[(1, 81354384), (2, 40677192), (3, 27118128), (4, 20338596), (6, 13559064), (8, 10169298), (9, 9039376), (12, 6779532), (16, 5084649), (17, 4785552), (18, 4519688), (24, 3389766), (34, 2392776), (36, 2259844), (48, 1694883), (51, 1595184), (68, 1196388), (72, 1129922), (102, 797592), (136, 598194), (144, 564961), (153, 531728), (167, 487152), (199, 408816), (204, 398796), (272, 299097), (306, 265864), (334, 243576), (398, 204408), (408, 199398), (501, 162384), (597, 136272), (612, 132932), (668, 121788), (796, 102204), (816, 99699), (1002, 81192), (1194, 68136), (1224, 66466), (1336, 60894), (1503, 54128), (1592, 51102), (1791, 45424), (2004, 40596), (2388, 34068), (2448, 33233), (2672, 30447), (2839, 28656), (3006, 27064), (3184, 25551), (3383, 24048), (3582, 22712), (4008, 20298), (4776, 17034), (5678, 14328), (6012, 13532), (6766, 12024), (7164, 11356), (8016, 10149), (8517, 9552)]