256548336

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 514830864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 107, 114, 132, 152, 176, 209, 214, 228, 239, 264, 304, 321, 418, 428, 456, 478, 528, 627, 642, 717, 836, 856, 912, 956, 1177, 1254, 1284, 1434, 1672, 1712, 1912, 2033, 2354, 2508, 2568, 2629, 2868, 3344, 3531, 3824, 4066, 4541, 4708, 5016, 5136, 5258, 5736, 6099, 7062, 7887, 8132, 9082, 9416, 10032, 10516, 11472, 12198, 13623, 14124, 15774, 16264, 18164, 18832, 21032, 22363, 24396, 25573, 27246, 28248, 31548, 32528, 36328, 42064, 44726, 48792, 49951, 51146, 54492, 56496, 63096, 67089, 72656, 76719, 89452, 97584, 99902, 102292, 108984, 126192, 134178, 149853, 153438, 178904, 199804, 204584, 217968, 268356, 281303, 299706, 306876, 357808, 399608, 409168, 485887, 536712, 562606, 599412, 613752, 799216, 843909, 971774, 1073424, 1125212, 1198824, 1227504, 1457661, 1687818, 1943548, 2250424, 2397648, 2915322, 3375636, 3887096, 4500848, 5344757, 5830644, 6751272, 7774192, 10689514, 11661288, 13502544, 16034271, 21379028, 23322576, 32068542, 42758056, 64137084, 85516112, 128274168, 256548336]

約数ペア:

[(1, 256548336), (2, 128274168), (3, 85516112), (4, 64137084), (6, 42758056), (8, 32068542), (11, 23322576), (12, 21379028), (16, 16034271), (19, 13502544), (22, 11661288), (24, 10689514), (33, 7774192), (38, 6751272), (44, 5830644), (48, 5344757), (57, 4500848), (66, 3887096), (76, 3375636), (88, 2915322), (107, 2397648), (114, 2250424), (132, 1943548), (152, 1687818), (176, 1457661), (209, 1227504), (214, 1198824), (228, 1125212), (239, 1073424), (264, 971774), (304, 843909), (321, 799216), (418, 613752), (428, 599412), (456, 562606), (478, 536712), (528, 485887), (627, 409168), (642, 399608), (717, 357808), (836, 306876), (856, 299706), (912, 281303), (956, 268356), (1177, 217968), (1254, 204584), (1284, 199804), (1434, 178904), (1672, 153438), (1712, 149853), (1912, 134178), (2033, 126192), (2354, 108984), (2508, 102292), (2568, 99902), (2629, 97584), (2868, 89452), (3344, 76719), (3531, 72656), (3824, 67089), (4066, 63096), (4541, 56496), (4708, 54492), (5016, 51146), (5136, 49951), (5258, 48792), (5736, 44726), (6099, 42064), (7062, 36328), (7887, 32528), (8132, 31548), (9082, 28248), (9416, 27246), (10032, 25573), (10516, 24396), (11472, 22363), (12198, 21032), (13623, 18832), (14124, 18164), (15774, 16264)]