639887360

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 1792627200

約数和(自身を除く): 1152739840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 113, 128, 140, 158, 160, 224, 226, 256, 280, 316, 320, 395, 448, 452, 512, 553, 560, 565, 632, 640, 790, 791, 896, 904, 1024, 1106, 1120, 1130, 1264, 1280, 1580, 1582, 1792, 1808, 2048, 2212, 2240, 2260, 2528, 2560, 2765, 3160, 3164, 3584, 3616, 3955, 4424, 4480, 4520, 5056, 5120, 5530, 6320, 6328, 7168, 7232, 7910, 8848, 8927, 8960, 9040, 10112, 10240, 11060, 12640, 12656, 14336, 14464, 15820, 17696, 17854, 17920, 18080, 20224, 22120, 25280, 25312, 28928, 31640, 35392, 35708, 35840, 36160, 40448, 44240, 44635, 50560, 50624, 57856, 62489, 63280, 70784, 71416, 71680, 72320, 80896, 88480, 89270, 101120, 101248, 115712, 124978, 126560, 141568, 142832, 144640, 161792, 176960, 178540, 202240, 202496, 231424, 249956, 253120, 283136, 285664, 289280, 312445, 353920, 357080, 404480, 404992, 499912, 506240, 566272, 571328, 578560, 624890, 707840, 714160, 808960, 809984, 999824, 1012480, 1132544, 1142656, 1157120, 1249780, 1415680, 1428320, 1619968, 1999648, 2024960, 2285312, 2499560, 2831360, 2856640, 3999296, 4049920, 4570624, 4999120, 5662720, 5713280, 7998592, 8099840, 9141248, 9998240, 11426560, 15997184, 18282496, 19996480, 22853120, 31994368, 39992960, 45706240, 63988736, 79985920, 91412480, 127977472, 159971840, 319943680, 639887360]

約数ペア:

[(1, 639887360), (2, 319943680), (4, 159971840), (5, 127977472), (7, 91412480), (8, 79985920), (10, 63988736), (14, 45706240), (16, 39992960), (20, 31994368), (28, 22853120), (32, 19996480), (35, 18282496), (40, 15997184), (56, 11426560), (64, 9998240), (70, 9141248), (79, 8099840), (80, 7998592), (112, 5713280), (113, 5662720), (128, 4999120), (140, 4570624), (158, 4049920), (160, 3999296), (224, 2856640), (226, 2831360), (256, 2499560), (280, 2285312), (316, 2024960), (320, 1999648), (395, 1619968), (448, 1428320), (452, 1415680), (512, 1249780), (553, 1157120), (560, 1142656), (565, 1132544), (632, 1012480), (640, 999824), (790, 809984), (791, 808960), (896, 714160), (904, 707840), (1024, 624890), (1106, 578560), (1120, 571328), (1130, 566272), (1264, 506240), (1280, 499912), (1580, 404992), (1582, 404480), (1792, 357080), (1808, 353920), (2048, 312445), (2212, 289280), (2240, 285664), (2260, 283136), (2528, 253120), (2560, 249956), (2765, 231424), (3160, 202496), (3164, 202240), (3584, 178540), (3616, 176960), (3955, 161792), (4424, 144640), (4480, 142832), (4520, 141568), (5056, 126560), (5120, 124978), (5530, 115712), (6320, 101248), (6328, 101120), (7168, 89270), (7232, 88480), (7910, 80896), (8848, 72320), (8927, 71680), (8960, 71416), (9040, 70784), (10112, 63280), (10240, 62489), (11060, 57856), (12640, 50624), (12656, 50560), (14336, 44635), (14464, 44240), (15820, 40448), (17696, 36160), (17854, 35840), (17920, 35708), (18080, 35392), (20224, 31640), (22120, 28928), (25280, 25312)]