164744440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 451008000

約数和(自身を除く): 286263560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 173, 179, 190, 266, 280, 346, 358, 380, 532, 665, 692, 716, 760, 865, 895, 1064, 1211, 1253, 1330, 1384, 1432, 1730, 1790, 2422, 2506, 2660, 3287, 3401, 3460, 3580, 4844, 5012, 5320, 6055, 6265, 6574, 6802, 6920, 7160, 9688, 10024, 12110, 12530, 13148, 13604, 16435, 17005, 23009, 23807, 24220, 25060, 26296, 27208, 30967, 32870, 34010, 46018, 47614, 48440, 50120, 61934, 65740, 68020, 92036, 95228, 115045, 119035, 123868, 131480, 136040, 154835, 184072, 190456, 216769, 230090, 238070, 247736, 309670, 433538, 460180, 476140, 588373, 619340, 867076, 920360, 952280, 1083845, 1176746, 1238680, 1734152, 2167690, 2353492, 2941865, 4118611, 4335380, 4706984, 5883730, 8237222, 8670760, 11767460, 16474444, 20593055, 23534920, 32948888, 41186110, 82372220, 164744440]

約数ペア:

[(1, 164744440), (2, 82372220), (4, 41186110), (5, 32948888), (7, 23534920), (8, 20593055), (10, 16474444), (14, 11767460), (19, 8670760), (20, 8237222), (28, 5883730), (35, 4706984), (38, 4335380), (40, 4118611), (56, 2941865), (70, 2353492), (76, 2167690), (95, 1734152), (133, 1238680), (140, 1176746), (152, 1083845), (173, 952280), (179, 920360), (190, 867076), (266, 619340), (280, 588373), (346, 476140), (358, 460180), (380, 433538), (532, 309670), (665, 247736), (692, 238070), (716, 230090), (760, 216769), (865, 190456), (895, 184072), (1064, 154835), (1211, 136040), (1253, 131480), (1330, 123868), (1384, 119035), (1432, 115045), (1730, 95228), (1790, 92036), (2422, 68020), (2506, 65740), (2660, 61934), (3287, 50120), (3401, 48440), (3460, 47614), (3580, 46018), (4844, 34010), (5012, 32870), (5320, 30967), (6055, 27208), (6265, 26296), (6574, 25060), (6802, 24220), (6920, 23807), (7160, 23009), (9688, 17005), (10024, 16435), (12110, 13604), (12530, 13148)]