20768233600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^3\times {\mathrm{1321}}^1$

素因数の和:1396

約数の個数: 192

約数和(自身を含む): 54551140200

約数和(自身を除く): 33782906600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 289, 320, 340, 400, 425, 544, 578, 640, 680, 800, 850, 1088, 1156, 1321, 1360, 1445, 1600, 1700, 2176, 2312, 2642, 2720, 2890, 3200, 3400, 4624, 4913, 5284, 5440, 5780, 6605, 6800, 7225, 9248, 9826, 10568, 10880, 11560, 13210, 13600, 14450, 18496, 19652, 21136, 22457, 23120, 24565, 26420, 27200, 28900, 33025, 36992, 39304, 42272, 44914, 46240, 49130, 52840, 54400, 57800, 66050, 78608, 84544, 89828, 92480, 98260, 105680, 112285, 115600, 122825, 132100, 157216, 169088, 179656, 184960, 196520, 211360, 224570, 231200, 245650, 264200, 314432, 359312, 381769, 393040, 422720, 449140, 462400, 491300, 528400, 561425, 628864, 718624, 763538, 786080, 845440, 898280, 924800, 982600, 1056800, 1122850, 1437248, 1527076, 1572160, 1796560, 1908845, 1965200, 2113600, 2245700, 2874496, 3054152, 3144320, 3593120, 3817690, 3930400, 4227200, 4491400, 6108304, 6490073, 7186240, 7635380, 7860800, 8982800, 9544225, 12216608, 12980146, 14372480, 15270760, 15721600, 17965600, 19088450, 24433216, 25960292, 30541520, 32450365, 35931200, 38176900, 48866432, 51920584, 61083040, 64900730, 71862400, 76353800, 103841168, 122166080, 129801460, 152707600, 162251825, 207682336, 244332160, 259602920, 305415200, 324503650, 415364672, 519205840, 610830400, 649007300, 830729344, 1038411680, 1221660800, 1298014600, 2076823360, 2596029200, 4153646720, 5192058400, 10384116800, 20768233600]

約数ペア:

[(1, 20768233600), (2, 10384116800), (4, 5192058400), (5, 4153646720), (8, 2596029200), (10, 2076823360), (16, 1298014600), (17, 1221660800), (20, 1038411680), (25, 830729344), (32, 649007300), (34, 610830400), (40, 519205840), (50, 415364672), (64, 324503650), (68, 305415200), (80, 259602920), (85, 244332160), (100, 207682336), (128, 162251825), (136, 152707600), (160, 129801460), (170, 122166080), (200, 103841168), (272, 76353800), (289, 71862400), (320, 64900730), (340, 61083040), (400, 51920584), (425, 48866432), (544, 38176900), (578, 35931200), (640, 32450365), (680, 30541520), (800, 25960292), (850, 24433216), (1088, 19088450), (1156, 17965600), (1321, 15721600), (1360, 15270760), (1445, 14372480), (1600, 12980146), (1700, 12216608), (2176, 9544225), (2312, 8982800), (2642, 7860800), (2720, 7635380), (2890, 7186240), (3200, 6490073), (3400, 6108304), (4624, 4491400), (4913, 4227200), (5284, 3930400), (5440, 3817690), (5780, 3593120), (6605, 3144320), (6800, 3054152), (7225, 2874496), (9248, 2245700), (9826, 2113600), (10568, 1965200), (10880, 1908845), (11560, 1796560), (13210, 1572160), (13600, 1527076), (14450, 1437248), (18496, 1122850), (19652, 1056800), (21136, 982600), (22457, 924800), (23120, 898280), (24565, 845440), (26420, 786080), (27200, 763538), (28900, 718624), (33025, 628864), (36992, 561425), (39304, 528400), (42272, 491300), (44914, 462400), (46240, 449140), (49130, 422720), (52840, 393040), (54400, 381769), (57800, 359312), (66050, 314432), (78608, 264200), (84544, 245650), (89828, 231200), (92480, 224570), (98260, 211360), (105680, 196520), (112285, 184960), (115600, 179656), (122825, 169088), (132100, 157216)]