68979120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2203

約数の個数: 160

約数和(自身を含む): 257364480

約数和(自身を除く): 188385360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2161, 2280, 2660, 3192, 3990, 4322, 4560, 5320, 6384, 6483, 7980, 8644, 10640, 10805, 12966, 15127, 15960, 17288, 21610, 25932, 30254, 31920, 32415, 34576, 41059, 43220, 45381, 51864, 60508, 64830, 75635, 82118, 86440, 90762, 103728, 121016, 123177, 129660, 151270, 164236, 172880, 181524, 205295, 226905, 242032, 246354, 259320, 287413, 302540, 328472, 363048, 410590, 453810, 492708, 518640, 574826, 605080, 615885, 656944, 726096, 821180, 862239, 907620, 985416, 1149652, 1210160, 1231770, 1437065, 1642360, 1724478, 1815240, 1970832, 2299304, 2463540, 2874130, 3284720, 3448956, 3630480, 4311195, 4598608, 4927080, 5748260, 6897912, 8622390, 9854160, 11496520, 13795824, 17244780, 22993040, 34489560, 68979120]

約数ペア:

[(1, 68979120), (2, 34489560), (3, 22993040), (4, 17244780), (5, 13795824), (6, 11496520), (7, 9854160), (8, 8622390), (10, 6897912), (12, 5748260), (14, 4927080), (15, 4598608), (16, 4311195), (19, 3630480), (20, 3448956), (21, 3284720), (24, 2874130), (28, 2463540), (30, 2299304), (35, 1970832), (38, 1815240), (40, 1724478), (42, 1642360), (48, 1437065), (56, 1231770), (57, 1210160), (60, 1149652), (70, 985416), (76, 907620), (80, 862239), (84, 821180), (95, 726096), (105, 656944), (112, 615885), (114, 605080), (120, 574826), (133, 518640), (140, 492708), (152, 453810), (168, 410590), (190, 363048), (210, 328472), (228, 302540), (240, 287413), (266, 259320), (280, 246354), (285, 242032), (304, 226905), (336, 205295), (380, 181524), (399, 172880), (420, 164236), (456, 151270), (532, 129660), (560, 123177), (570, 121016), (665, 103728), (760, 90762), (798, 86440), (840, 82118), (912, 75635), (1064, 64830), (1140, 60508), (1330, 51864), (1520, 45381), (1596, 43220), (1680, 41059), (1995, 34576), (2128, 32415), (2161, 31920), (2280, 30254), (2660, 25932), (3192, 21610), (3990, 17288), (4322, 15960), (4560, 15127), (5320, 12966), (6384, 10805), (6483, 10640), (7980, 8644)]