77947520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 216207360

約数和(自身を除く): 138259840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 137, 140, 160, 224, 254, 274, 280, 320, 448, 508, 548, 560, 635, 640, 685, 889, 896, 959, 1016, 1096, 1120, 1270, 1370, 1778, 1918, 2032, 2192, 2240, 2540, 2740, 3556, 3836, 4064, 4384, 4445, 4480, 4795, 5080, 5480, 7112, 7672, 8128, 8768, 8890, 9590, 10160, 10960, 14224, 15344, 16256, 17399, 17536, 17780, 19180, 20320, 21920, 28448, 30688, 34798, 35560, 38360, 40640, 43840, 56896, 61376, 69596, 71120, 76720, 81280, 86995, 87680, 113792, 121793, 122752, 139192, 142240, 153440, 173990, 243586, 278384, 284480, 306880, 347980, 487172, 556768, 568960, 608965, 613760, 695960, 974344, 1113536, 1217930, 1391920, 1948688, 2227072, 2435860, 2783840, 3897376, 4871720, 5567680, 7794752, 9743440, 11135360, 15589504, 19486880, 38973760, 77947520]

約数ペア:

[(1, 77947520), (2, 38973760), (4, 19486880), (5, 15589504), (7, 11135360), (8, 9743440), (10, 7794752), (14, 5567680), (16, 4871720), (20, 3897376), (28, 2783840), (32, 2435860), (35, 2227072), (40, 1948688), (56, 1391920), (64, 1217930), (70, 1113536), (80, 974344), (112, 695960), (127, 613760), (128, 608965), (137, 568960), (140, 556768), (160, 487172), (224, 347980), (254, 306880), (274, 284480), (280, 278384), (320, 243586), (448, 173990), (508, 153440), (548, 142240), (560, 139192), (635, 122752), (640, 121793), (685, 113792), (889, 87680), (896, 86995), (959, 81280), (1016, 76720), (1096, 71120), (1120, 69596), (1270, 61376), (1370, 56896), (1778, 43840), (1918, 40640), (2032, 38360), (2192, 35560), (2240, 34798), (2540, 30688), (2740, 28448), (3556, 21920), (3836, 20320), (4064, 19180), (4384, 17780), (4445, 17536), (4480, 17399), (4795, 16256), (5080, 15344), (5480, 14224), (7112, 10960), (7672, 10160), (8128, 9590), (8768, 8890)]