165164720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 160

約数和(自身を含む): 474017280

約数和(自身を除く): 308852560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 215, 266, 280, 301, 304, 344, 361, 380, 430, 532, 560, 602, 665, 688, 722, 760, 817, 860, 1064, 1204, 1330, 1444, 1505, 1520, 1634, 1720, 1805, 2128, 2408, 2527, 2660, 2888, 3010, 3268, 3440, 3610, 4085, 4816, 5054, 5320, 5719, 5776, 6020, 6536, 6859, 7220, 8170, 10108, 10640, 11438, 12040, 12635, 13072, 13718, 14440, 15523, 16340, 20216, 22876, 24080, 25270, 27436, 28595, 28880, 31046, 32680, 34295, 40432, 45752, 48013, 50540, 54872, 57190, 62092, 65360, 68590, 77615, 91504, 96026, 101080, 108661, 109744, 114380, 124184, 137180, 155230, 192052, 202160, 217322, 228760, 240065, 248368, 274360, 294937, 310460, 384104, 434644, 457520, 480130, 543305, 548720, 589874, 620920, 768208, 869288, 960260, 1086610, 1179748, 1241840, 1474685, 1738576, 1920520, 2064559, 2173220, 2359496, 2949370, 3841040, 4129118, 4346440, 4718992, 5898740, 8258236, 8692880, 10322795, 11797480, 16516472, 20645590, 23594960, 33032944, 41291180, 82582360, 165164720]

約数ペア:

[(1, 165164720), (2, 82582360), (4, 41291180), (5, 33032944), (7, 23594960), (8, 20645590), (10, 16516472), (14, 11797480), (16, 10322795), (19, 8692880), (20, 8258236), (28, 5898740), (35, 4718992), (38, 4346440), (40, 4129118), (43, 3841040), (56, 2949370), (70, 2359496), (76, 2173220), (80, 2064559), (86, 1920520), (95, 1738576), (112, 1474685), (133, 1241840), (140, 1179748), (152, 1086610), (172, 960260), (190, 869288), (215, 768208), (266, 620920), (280, 589874), (301, 548720), (304, 543305), (344, 480130), (361, 457520), (380, 434644), (430, 384104), (532, 310460), (560, 294937), (602, 274360), (665, 248368), (688, 240065), (722, 228760), (760, 217322), (817, 202160), (860, 192052), (1064, 155230), (1204, 137180), (1330, 124184), (1444, 114380), (1505, 109744), (1520, 108661), (1634, 101080), (1720, 96026), (1805, 91504), (2128, 77615), (2408, 68590), (2527, 65360), (2660, 62092), (2888, 57190), (3010, 54872), (3268, 50540), (3440, 48013), (3610, 45752), (4085, 40432), (4816, 34295), (5054, 32680), (5320, 31046), (5719, 28880), (5776, 28595), (6020, 27436), (6536, 25270), (6859, 24080), (7220, 22876), (8170, 20216), (10108, 16340), (10640, 15523), (11438, 14440), (12040, 13718), (12635, 13072)]