72756736

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 80

約数和(自身を含む): 166020624

約数和(自身を除く): 93263888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 643, 832, 884, 1088, 1286, 1664, 1768, 2176, 2572, 3328, 3536, 4352, 5144, 6656, 7072, 8359, 8704, 10288, 10931, 14144, 16718, 20576, 21862, 28288, 33436, 41152, 43724, 56576, 66872, 82304, 87448, 113152, 133744, 142103, 164608, 174896, 267488, 284206, 329216, 349792, 534976, 568412, 699584, 1069952, 1136824, 1399168, 2139904, 2273648, 2798336, 4279808, 4547296, 5596672, 9094592, 18189184, 36378368, 72756736]

約数ペア:

[(1, 72756736), (2, 36378368), (4, 18189184), (8, 9094592), (13, 5596672), (16, 4547296), (17, 4279808), (26, 2798336), (32, 2273648), (34, 2139904), (52, 1399168), (64, 1136824), (68, 1069952), (104, 699584), (128, 568412), (136, 534976), (208, 349792), (221, 329216), (256, 284206), (272, 267488), (416, 174896), (442, 164608), (512, 142103), (544, 133744), (643, 113152), (832, 87448), (884, 82304), (1088, 66872), (1286, 56576), (1664, 43724), (1768, 41152), (2176, 33436), (2572, 28288), (3328, 21862), (3536, 20576), (4352, 16718), (5144, 14144), (6656, 10931), (7072, 10288), (8359, 8704)]