165217920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 256

約数和(自身を含む): 634521600

約数和(自身を除く): 469303680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 608, 640, 647, 665, 672, 760, 798, 840, 896, 912, 960, 1064, 1120, 1140, 1216, 1294, 1330, 1344, 1520, 1596, 1680, 1824, 1920, 1941, 1995, 2128, 2240, 2280, 2432, 2588, 2660, 2688, 3040, 3192, 3235, 3360, 3648, 3882, 3990, 4256, 4480, 4529, 4560, 5176, 5320, 6080, 6384, 6470, 6720, 7296, 7764, 7980, 8512, 9058, 9120, 9705, 10352, 10640, 12160, 12293, 12768, 12940, 13440, 13587, 15528, 15960, 17024, 18116, 18240, 19410, 20704, 21280, 22645, 24586, 25536, 25880, 27174, 31056, 31920, 36232, 36480, 36879, 38820, 41408, 42560, 45290, 49172, 51072, 51760, 54348, 61465, 62112, 63840, 67935, 72464, 73758, 77640, 82816, 85120, 86051, 90580, 98344, 103520, 108696, 122930, 124224, 127680, 135870, 144928, 147516, 155280, 172102, 181160, 184395, 196688, 207040, 217392, 245860, 248448, 255360, 258153, 271740, 289856, 295032, 310560, 344204, 362320, 368790, 393376, 414080, 430255, 434784, 491720, 516306, 543480, 579712, 590064, 621120, 688408, 724640, 737580, 786752, 860510, 869568, 983440, 1032612, 1086960, 1180128, 1242240, 1290765, 1376816, 1449280, 1475160, 1573504, 1721020, 1739136, 1966880, 2065224, 2173920, 2360256, 2581530, 2753632, 2898560, 2950320, 3442040, 3933760, 4130448, 4347840, 4720512, 5163060, 5507264, 5900640, 6884080, 7867520, 8260896, 8695680, 10326120, 11014528, 11801280, 13768160, 16521792, 20652240, 23602560, 27536320, 33043584, 41304480, 55072640, 82608960, 165217920]

約数ペア:

[(1, 165217920), (2, 82608960), (3, 55072640), (4, 41304480), (5, 33043584), (6, 27536320), (7, 23602560), (8, 20652240), (10, 16521792), (12, 13768160), (14, 11801280), (15, 11014528), (16, 10326120), (19, 8695680), (20, 8260896), (21, 7867520), (24, 6884080), (28, 5900640), (30, 5507264), (32, 5163060), (35, 4720512), (38, 4347840), (40, 4130448), (42, 3933760), (48, 3442040), (56, 2950320), (57, 2898560), (60, 2753632), (64, 2581530), (70, 2360256), (76, 2173920), (80, 2065224), (84, 1966880), (95, 1739136), (96, 1721020), (105, 1573504), (112, 1475160), (114, 1449280), (120, 1376816), (128, 1290765), (133, 1242240), (140, 1180128), (152, 1086960), (160, 1032612), (168, 983440), (190, 869568), (192, 860510), (210, 786752), (224, 737580), (228, 724640), (240, 688408), (266, 621120), (280, 590064), (285, 579712), (304, 543480), (320, 516306), (336, 491720), (380, 434784), (384, 430255), (399, 414080), (420, 393376), (448, 368790), (456, 362320), (480, 344204), (532, 310560), (560, 295032), (570, 289856), (608, 271740), (640, 258153), (647, 255360), (665, 248448), (672, 245860), (760, 217392), (798, 207040), (840, 196688), (896, 184395), (912, 181160), (960, 172102), (1064, 155280), (1120, 147516), (1140, 144928), (1216, 135870), (1294, 127680), (1330, 124224), (1344, 122930), (1520, 108696), (1596, 103520), (1680, 98344), (1824, 90580), (1920, 86051), (1941, 85120), (1995, 82816), (2128, 77640), (2240, 73758), (2280, 72464), (2432, 67935), (2588, 63840), (2660, 62112), (2688, 61465), (3040, 54348), (3192, 51760), (3235, 51072), (3360, 49172), (3648, 45290), (3882, 42560), (3990, 41408), (4256, 38820), (4480, 36879), (4529, 36480), (4560, 36232), (5176, 31920), (5320, 31056), (6080, 27174), (6384, 25880), (6470, 25536), (6720, 24586), (7296, 22645), (7764, 21280), (7980, 20704), (8512, 19410), (9058, 18240), (9120, 18116), (9705, 17024), (10352, 15960), (10640, 15528), (12160, 13587), (12293, 13440), (12768, 12940)]