256720992

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 777288960

約数和(自身を除く): 520567968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 32, 33, 44, 48, 58, 66, 83, 87, 88, 96, 101, 116, 132, 166, 174, 176, 202, 232, 249, 264, 303, 319, 332, 348, 352, 404, 464, 498, 528, 606, 638, 664, 696, 808, 913, 928, 957, 996, 1056, 1111, 1212, 1276, 1328, 1392, 1616, 1826, 1914, 1992, 2222, 2407, 2424, 2552, 2656, 2739, 2784, 2929, 3232, 3333, 3652, 3828, 3984, 4444, 4814, 4848, 5104, 5478, 5858, 6666, 7221, 7304, 7656, 7968, 8383, 8787, 8888, 9628, 9696, 10208, 10956, 11716, 13332, 14442, 14608, 15312, 16766, 17574, 17776, 19256, 21912, 23432, 25149, 26477, 26664, 28884, 29216, 30624, 32219, 33532, 35148, 35552, 38512, 43824, 46864, 50298, 52954, 53328, 57768, 64438, 67064, 70296, 77024, 79431, 87648, 92213, 93728, 96657, 100596, 105908, 106656, 115536, 128876, 134128, 140592, 158862, 184426, 193314, 201192, 211816, 231072, 243107, 257752, 268256, 276639, 281184, 317724, 368852, 386628, 402384, 423632, 486214, 515504, 553278, 635448, 729321, 737704, 773256, 804768, 847264, 972428, 1031008, 1106556, 1270896, 1458642, 1475408, 1546512, 1944856, 2213112, 2541792, 2674177, 2917284, 2950816, 3093024, 3889712, 4426224, 5348354, 5834568, 7779424, 8022531, 8852448, 10696708, 11669136, 16045062, 21393416, 23338272, 32090124, 42786832, 64180248, 85573664, 128360496, 256720992]

約数ペア:

[(1, 256720992), (2, 128360496), (3, 85573664), (4, 64180248), (6, 42786832), (8, 32090124), (11, 23338272), (12, 21393416), (16, 16045062), (22, 11669136), (24, 10696708), (29, 8852448), (32, 8022531), (33, 7779424), (44, 5834568), (48, 5348354), (58, 4426224), (66, 3889712), (83, 3093024), (87, 2950816), (88, 2917284), (96, 2674177), (101, 2541792), (116, 2213112), (132, 1944856), (166, 1546512), (174, 1475408), (176, 1458642), (202, 1270896), (232, 1106556), (249, 1031008), (264, 972428), (303, 847264), (319, 804768), (332, 773256), (348, 737704), (352, 729321), (404, 635448), (464, 553278), (498, 515504), (528, 486214), (606, 423632), (638, 402384), (664, 386628), (696, 368852), (808, 317724), (913, 281184), (928, 276639), (957, 268256), (996, 257752), (1056, 243107), (1111, 231072), (1212, 211816), (1276, 201192), (1328, 193314), (1392, 184426), (1616, 158862), (1826, 140592), (1914, 134128), (1992, 128876), (2222, 115536), (2407, 106656), (2424, 105908), (2552, 100596), (2656, 96657), (2739, 93728), (2784, 92213), (2929, 87648), (3232, 79431), (3333, 77024), (3652, 70296), (3828, 67064), (3984, 64438), (4444, 57768), (4814, 53328), (4848, 52954), (5104, 50298), (5478, 46864), (5858, 43824), (6666, 38512), (7221, 35552), (7304, 35148), (7656, 33532), (7968, 32219), (8383, 30624), (8787, 29216), (8888, 28884), (9628, 26664), (9696, 26477), (10208, 25149), (10956, 23432), (11716, 21912), (13332, 19256), (14442, 17776), (14608, 17574), (15312, 16766)]