72981584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 163531200

約数和(自身を除く): 90549616

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 59, 76, 104, 118, 152, 208, 236, 247, 304, 313, 472, 494, 626, 767, 944, 988, 1121, 1252, 1534, 1976, 2242, 2504, 3068, 3952, 4069, 4484, 5008, 5947, 6136, 8138, 8968, 11894, 12272, 14573, 16276, 17936, 18467, 23788, 29146, 32552, 36934, 47576, 58292, 65104, 73868, 77311, 95152, 116584, 147736, 154622, 233168, 240071, 295472, 309244, 350873, 480142, 618488, 701746, 960284, 1236976, 1403492, 1920568, 2806984, 3841136, 4561349, 5613968, 9122698, 18245396, 36490792, 72981584]

約数ペア:

[(1, 72981584), (2, 36490792), (4, 18245396), (8, 9122698), (13, 5613968), (16, 4561349), (19, 3841136), (26, 2806984), (38, 1920568), (52, 1403492), (59, 1236976), (76, 960284), (104, 701746), (118, 618488), (152, 480142), (208, 350873), (236, 309244), (247, 295472), (304, 240071), (313, 233168), (472, 154622), (494, 147736), (626, 116584), (767, 95152), (944, 77311), (988, 73868), (1121, 65104), (1252, 58292), (1534, 47576), (1976, 36934), (2242, 32552), (2504, 29146), (3068, 23788), (3952, 18467), (4069, 17936), (4484, 16276), (5008, 14573), (5947, 12272), (6136, 11894), (8138, 8968)]