320984640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 224

約数和(自身を含む): 1147023360

約数和(自身を除く): 826038720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 192, 194, 216, 240, 270, 288, 291, 320, 360, 383, 388, 432, 480, 485, 540, 576, 582, 720, 766, 776, 864, 873, 960, 970, 1080, 1149, 1164, 1440, 1455, 1532, 1552, 1728, 1746, 1915, 1940, 2160, 2298, 2328, 2619, 2880, 2910, 3064, 3104, 3447, 3492, 3830, 3880, 4320, 4365, 4596, 4656, 5238, 5745, 5820, 6128, 6208, 6894, 6984, 7660, 7760, 8640, 8730, 9192, 9312, 10341, 10476, 11490, 11640, 12256, 13095, 13788, 13968, 15320, 15520, 17235, 17460, 18384, 18624, 20682, 20952, 22980, 23280, 24512, 26190, 27576, 27936, 30640, 31040, 34470, 34920, 36768, 37151, 41364, 41904, 45960, 46560, 51705, 52380, 55152, 55872, 61280, 68940, 69840, 73536, 74302, 82728, 83808, 91920, 93120, 103410, 104760, 110304, 111453, 122560, 137880, 139680, 148604, 165456, 167616, 183840, 185755, 206820, 209520, 220608, 222906, 275760, 279360, 297208, 330912, 334359, 367680, 371510, 413640, 419040, 445812, 551520, 557265, 594416, 661824, 668718, 743020, 827280, 838080, 891624, 1003077, 1103040, 1114530, 1188832, 1337436, 1486040, 1654560, 1671795, 1783248, 2006154, 2229060, 2377664, 2674872, 2972080, 3309120, 3343590, 3566496, 4012308, 4458120, 5015385, 5349744, 5944160, 6687180, 7132992, 8024616, 8916240, 10030770, 10699488, 11888320, 13374360, 16049232, 17832480, 20061540, 21398976, 26748720, 32098464, 35664960, 40123080, 53497440, 64196928, 80246160, 106994880, 160492320, 320984640]

約数ペア:

[(1, 320984640), (2, 160492320), (3, 106994880), (4, 80246160), (5, 64196928), (6, 53497440), (8, 40123080), (9, 35664960), (10, 32098464), (12, 26748720), (15, 21398976), (16, 20061540), (18, 17832480), (20, 16049232), (24, 13374360), (27, 11888320), (30, 10699488), (32, 10030770), (36, 8916240), (40, 8024616), (45, 7132992), (48, 6687180), (54, 5944160), (60, 5349744), (64, 5015385), (72, 4458120), (80, 4012308), (90, 3566496), (96, 3343590), (97, 3309120), (108, 2972080), (120, 2674872), (135, 2377664), (144, 2229060), (160, 2006154), (180, 1783248), (192, 1671795), (194, 1654560), (216, 1486040), (240, 1337436), (270, 1188832), (288, 1114530), (291, 1103040), (320, 1003077), (360, 891624), (383, 838080), (388, 827280), (432, 743020), (480, 668718), (485, 661824), (540, 594416), (576, 557265), (582, 551520), (720, 445812), (766, 419040), (776, 413640), (864, 371510), (873, 367680), (960, 334359), (970, 330912), (1080, 297208), (1149, 279360), (1164, 275760), (1440, 222906), (1455, 220608), (1532, 209520), (1552, 206820), (1728, 185755), (1746, 183840), (1915, 167616), (1940, 165456), (2160, 148604), (2298, 139680), (2328, 137880), (2619, 122560), (2880, 111453), (2910, 110304), (3064, 104760), (3104, 103410), (3447, 93120), (3492, 91920), (3830, 83808), (3880, 82728), (4320, 74302), (4365, 73536), (4596, 69840), (4656, 68940), (5238, 61280), (5745, 55872), (5820, 55152), (6128, 52380), (6208, 51705), (6894, 46560), (6984, 45960), (7660, 41904), (7760, 41364), (8640, 37151), (8730, 36768), (9192, 34920), (9312, 34470), (10341, 31040), (10476, 30640), (11490, 27936), (11640, 27576), (12256, 26190), (13095, 24512), (13788, 23280), (13968, 22980), (15320, 20952), (15520, 20682), (17235, 18624), (17460, 18384)]