161228880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 200

約数和(自身を含む): 567151200

約数和(自身を除く): 405922320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 139, 144, 162, 179, 180, 216, 240, 270, 278, 324, 358, 360, 405, 417, 432, 537, 540, 556, 648, 695, 716, 720, 810, 834, 895, 1074, 1080, 1112, 1251, 1296, 1390, 1432, 1611, 1620, 1668, 1790, 2085, 2148, 2160, 2224, 2502, 2685, 2780, 2864, 3222, 3240, 3336, 3580, 3753, 4170, 4296, 4833, 5004, 5370, 5560, 6255, 6444, 6480, 6672, 7160, 7506, 8055, 8340, 8592, 9666, 10008, 10740, 11120, 11259, 12510, 12888, 14320, 14499, 15012, 16110, 16680, 18765, 19332, 20016, 21480, 22518, 24165, 24881, 25020, 25776, 28998, 30024, 32220, 33360, 37530, 38664, 42960, 45036, 48330, 49762, 50040, 56295, 57996, 60048, 64440, 72495, 74643, 75060, 77328, 90072, 96660, 99524, 100080, 112590, 115992, 124405, 128880, 144990, 149286, 150120, 180144, 193320, 199048, 223929, 225180, 231984, 248810, 289980, 298572, 300240, 373215, 386640, 398096, 447858, 450360, 497620, 579960, 597144, 671787, 746430, 895716, 900720, 995240, 1119645, 1159920, 1194288, 1343574, 1492860, 1791432, 1990480, 2015361, 2239290, 2687148, 2985720, 3358935, 3582864, 4030722, 4478580, 5374296, 5971440, 6717870, 8061444, 8957160, 10076805, 10748592, 13435740, 16122888, 17914320, 20153610, 26871480, 32245776, 40307220, 53742960, 80614440, 161228880]

約数ペア:

[(1, 161228880), (2, 80614440), (3, 53742960), (4, 40307220), (5, 32245776), (6, 26871480), (8, 20153610), (9, 17914320), (10, 16122888), (12, 13435740), (15, 10748592), (16, 10076805), (18, 8957160), (20, 8061444), (24, 6717870), (27, 5971440), (30, 5374296), (36, 4478580), (40, 4030722), (45, 3582864), (48, 3358935), (54, 2985720), (60, 2687148), (72, 2239290), (80, 2015361), (81, 1990480), (90, 1791432), (108, 1492860), (120, 1343574), (135, 1194288), (139, 1159920), (144, 1119645), (162, 995240), (179, 900720), (180, 895716), (216, 746430), (240, 671787), (270, 597144), (278, 579960), (324, 497620), (358, 450360), (360, 447858), (405, 398096), (417, 386640), (432, 373215), (537, 300240), (540, 298572), (556, 289980), (648, 248810), (695, 231984), (716, 225180), (720, 223929), (810, 199048), (834, 193320), (895, 180144), (1074, 150120), (1080, 149286), (1112, 144990), (1251, 128880), (1296, 124405), (1390, 115992), (1432, 112590), (1611, 100080), (1620, 99524), (1668, 96660), (1790, 90072), (2085, 77328), (2148, 75060), (2160, 74643), (2224, 72495), (2502, 64440), (2685, 60048), (2780, 57996), (2864, 56295), (3222, 50040), (3240, 49762), (3336, 48330), (3580, 45036), (3753, 42960), (4170, 38664), (4296, 37530), (4833, 33360), (5004, 32220), (5370, 30024), (5560, 28998), (6255, 25776), (6444, 25020), (6480, 24881), (6672, 24165), (7160, 22518), (7506, 21480), (8055, 20016), (8340, 19332), (8592, 18765), (9666, 16680), (10008, 16110), (10740, 15012), (11120, 14499), (11259, 14320), (12510, 12888)]