178981920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3224

約数の個数: 192

約数和(自身を含む): 674835840

約数和(自身を除く): 495853920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3187, 3510, 3744, 4320, 4680, 5616, 6240, 6374, 7020, 9360, 9561, 11232, 12748, 14040, 15935, 18720, 19122, 25496, 28080, 28683, 31870, 38244, 41431, 47805, 50992, 56160, 57366, 63740, 76488, 82862, 86049, 95610, 101984, 114732, 124293, 127480, 143415, 152976, 165724, 172098, 191220, 207155, 229464, 248586, 254960, 286830, 305952, 331448, 344196, 372879, 382440, 414310, 430245, 458928, 497172, 509920, 573660, 621465, 662896, 688392, 745758, 764880, 828620, 860490, 917856, 994344, 1118637, 1147320, 1242930, 1325792, 1376784, 1491516, 1529760, 1657240, 1720980, 1864395, 1988688, 2237274, 2294640, 2485860, 2753568, 2983032, 3314480, 3441960, 3728790, 3977376, 4474548, 4589280, 4971720, 5593185, 5966064, 6628960, 6883920, 7457580, 8949096, 9943440, 11186370, 11932128, 13767840, 14915160, 17898192, 19886880, 22372740, 29830320, 35796384, 44745480, 59660640, 89490960, 178981920]

約数ペア:

[(1, 178981920), (2, 89490960), (3, 59660640), (4, 44745480), (5, 35796384), (6, 29830320), (8, 22372740), (9, 19886880), (10, 17898192), (12, 14915160), (13, 13767840), (15, 11932128), (16, 11186370), (18, 9943440), (20, 8949096), (24, 7457580), (26, 6883920), (27, 6628960), (30, 5966064), (32, 5593185), (36, 4971720), (39, 4589280), (40, 4474548), (45, 3977376), (48, 3728790), (52, 3441960), (54, 3314480), (60, 2983032), (65, 2753568), (72, 2485860), (78, 2294640), (80, 2237274), (90, 1988688), (96, 1864395), (104, 1720980), (108, 1657240), (117, 1529760), (120, 1491516), (130, 1376784), (135, 1325792), (144, 1242930), (156, 1147320), (160, 1118637), (180, 994344), (195, 917856), (208, 860490), (216, 828620), (234, 764880), (240, 745758), (260, 688392), (270, 662896), (288, 621465), (312, 573660), (351, 509920), (360, 497172), (390, 458928), (416, 430245), (432, 414310), (468, 382440), (480, 372879), (520, 344196), (540, 331448), (585, 305952), (624, 286830), (702, 254960), (720, 248586), (780, 229464), (864, 207155), (936, 191220), (1040, 172098), (1080, 165724), (1170, 152976), (1248, 143415), (1404, 127480), (1440, 124293), (1560, 114732), (1755, 101984), (1872, 95610), (2080, 86049), (2160, 82862), (2340, 76488), (2808, 63740), (3120, 57366), (3187, 56160), (3510, 50992), (3744, 47805), (4320, 41431), (4680, 38244), (5616, 31870), (6240, 28683), (6374, 28080), (7020, 25496), (9360, 19122), (9561, 18720), (11232, 15935), (12748, 14040)]