1818883840

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 4483325952

約数和(自身を除く): 2664442112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 127, 128, 134, 160, 167, 254, 256, 268, 320, 334, 335, 508, 536, 635, 640, 668, 670, 835, 1016, 1072, 1270, 1280, 1336, 1340, 1670, 2032, 2144, 2540, 2672, 2680, 3340, 4064, 4288, 5080, 5344, 5360, 6680, 8128, 8509, 8576, 10160, 10688, 10720, 11189, 13360, 16256, 17018, 17152, 20320, 21209, 21376, 21440, 22378, 26720, 32512, 34036, 40640, 42418, 42545, 42752, 42880, 44756, 53440, 55945, 68072, 81280, 84836, 85090, 85760, 89512, 106045, 106880, 111890, 136144, 162560, 169672, 170180, 179024, 212090, 213760, 223780, 272288, 339344, 340360, 358048, 424180, 447560, 544576, 678688, 680720, 716096, 848360, 895120, 1089152, 1357376, 1361440, 1421003, 1432192, 1696720, 1790240, 2178304, 2714752, 2722880, 2842006, 2864384, 3393440, 3580480, 5429504, 5445760, 5684012, 6786880, 7105015, 7160960, 10891520, 11368024, 13573760, 14210030, 14321920, 22736048, 27147520, 28420060, 45472096, 56840120, 90944192, 113680240, 181888384, 227360480, 363776768, 454720960, 909441920, 1818883840]

約数ペア:

[(1, 1818883840), (2, 909441920), (4, 454720960), (5, 363776768), (8, 227360480), (10, 181888384), (16, 113680240), (20, 90944192), (32, 56840120), (40, 45472096), (64, 28420060), (67, 27147520), (80, 22736048), (127, 14321920), (128, 14210030), (134, 13573760), (160, 11368024), (167, 10891520), (254, 7160960), (256, 7105015), (268, 6786880), (320, 5684012), (334, 5445760), (335, 5429504), (508, 3580480), (536, 3393440), (635, 2864384), (640, 2842006), (668, 2722880), (670, 2714752), (835, 2178304), (1016, 1790240), (1072, 1696720), (1270, 1432192), (1280, 1421003), (1336, 1361440), (1340, 1357376), (1670, 1089152), (2032, 895120), (2144, 848360), (2540, 716096), (2672, 680720), (2680, 678688), (3340, 544576), (4064, 447560), (4288, 424180), (5080, 358048), (5344, 340360), (5360, 339344), (6680, 272288), (8128, 223780), (8509, 213760), (8576, 212090), (10160, 179024), (10688, 170180), (10720, 169672), (11189, 162560), (13360, 136144), (16256, 111890), (17018, 106880), (17152, 106045), (20320, 89512), (21209, 85760), (21376, 85090), (21440, 84836), (22378, 81280), (26720, 68072), (32512, 55945), (34036, 53440), (40640, 44756), (42418, 42880), (42545, 42752)]