21880922880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{299903}}^1$

素因数の和:299946

約数の個数: 144

約数和(自身を含む): 73560453120

約数和(自身を除く): 51679530240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 6080, 7296, 9120, 12160, 14592, 18240, 24320, 36480, 72960, 299903, 599806, 899709, 1199612, 1499515, 1799418, 2399224, 2999030, 3598836, 4498545, 4798448, 5698157, 5998060, 7197672, 8997090, 9596896, 11396314, 11996120, 14395344, 17094471, 17994180, 19193792, 22792628, 23992240, 28490785, 28790688, 34188942, 35988360, 38387584, 45585256, 47984480, 56981570, 57581376, 68377884, 71976720, 76775168, 85472355, 91170512, 95968960, 113963140, 115162752, 136755768, 143953440, 170944710, 182341024, 191937920, 227926280, 230325504, 273511536, 287906880, 341889420, 364682048, 383875840, 455852560, 547023072, 575813760, 683778840, 729364096, 911705120, 1094046144, 1151627520, 1367557680, 1458728192, 1823410240, 2188092288, 2735115360, 3646820480, 4376184576, 5470230720, 7293640960, 10940461440, 21880922880]

約数ペア:

[(1, 21880922880), (2, 10940461440), (3, 7293640960), (4, 5470230720), (5, 4376184576), (6, 3646820480), (8, 2735115360), (10, 2188092288), (12, 1823410240), (15, 1458728192), (16, 1367557680), (19, 1151627520), (20, 1094046144), (24, 911705120), (30, 729364096), (32, 683778840), (38, 575813760), (40, 547023072), (48, 455852560), (57, 383875840), (60, 364682048), (64, 341889420), (76, 287906880), (80, 273511536), (95, 230325504), (96, 227926280), (114, 191937920), (120, 182341024), (128, 170944710), (152, 143953440), (160, 136755768), (190, 115162752), (192, 113963140), (228, 95968960), (240, 91170512), (256, 85472355), (285, 76775168), (304, 71976720), (320, 68377884), (380, 57581376), (384, 56981570), (456, 47984480), (480, 45585256), (570, 38387584), (608, 35988360), (640, 34188942), (760, 28790688), (768, 28490785), (912, 23992240), (960, 22792628), (1140, 19193792), (1216, 17994180), (1280, 17094471), (1520, 14395344), (1824, 11996120), (1920, 11396314), (2280, 9596896), (2432, 8997090), (3040, 7197672), (3648, 5998060), (3840, 5698157), (4560, 4798448), (4864, 4498545), (6080, 3598836), (7296, 2999030), (9120, 2399224), (12160, 1799418), (14592, 1499515), (18240, 1199612), (24320, 899709), (36480, 599806), (72960, 299903)]