778898160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19020

約数の個数: 160

約数和(自身を含む): 2824224000

約数和(自身を除く): 2045325840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 18979, 20520, 37958, 41040, 56937, 75916, 94895, 113874, 151832, 170811, 189790, 227748, 284685, 303664, 341622, 360601, 379580, 455496, 512433, 569370, 683244, 721202, 759160, 854055, 910992, 1024866, 1081803, 1138740, 1366488, 1442404, 1518320, 1708110, 1803005, 2049732, 2163606, 2277480, 2562165, 2732976, 2884808, 3245409, 3416220, 3606010, 4099464, 4327212, 4554960, 5124330, 5409015, 5769616, 6490818, 6832440, 7212020, 8198928, 8654424, 9736227, 10248660, 10818030, 12981636, 13664880, 14424040, 16227045, 17308848, 19472454, 20497320, 21636060, 25963272, 28848080, 32454090, 38944908, 40994640, 43272120, 48681135, 51926544, 64908180, 77889816, 86544240, 97362270, 129816360, 155779632, 194724540, 259632720, 389449080, 778898160]

約数ペア:

[(1, 778898160), (2, 389449080), (3, 259632720), (4, 194724540), (5, 155779632), (6, 129816360), (8, 97362270), (9, 86544240), (10, 77889816), (12, 64908180), (15, 51926544), (16, 48681135), (18, 43272120), (19, 40994640), (20, 38944908), (24, 32454090), (27, 28848080), (30, 25963272), (36, 21636060), (38, 20497320), (40, 19472454), (45, 17308848), (48, 16227045), (54, 14424040), (57, 13664880), (60, 12981636), (72, 10818030), (76, 10248660), (80, 9736227), (90, 8654424), (95, 8198928), (108, 7212020), (114, 6832440), (120, 6490818), (135, 5769616), (144, 5409015), (152, 5124330), (171, 4554960), (180, 4327212), (190, 4099464), (216, 3606010), (228, 3416220), (240, 3245409), (270, 2884808), (285, 2732976), (304, 2562165), (342, 2277480), (360, 2163606), (380, 2049732), (432, 1803005), (456, 1708110), (513, 1518320), (540, 1442404), (570, 1366488), (684, 1138740), (720, 1081803), (760, 1024866), (855, 910992), (912, 854055), (1026, 759160), (1080, 721202), (1140, 683244), (1368, 569370), (1520, 512433), (1710, 455496), (2052, 379580), (2160, 360601), (2280, 341622), (2565, 303664), (2736, 284685), (3420, 227748), (4104, 189790), (4560, 170811), (5130, 151832), (6840, 113874), (8208, 94895), (10260, 75916), (13680, 56937), (18979, 41040), (20520, 37958)]