7440285440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:727

約数の個数: 216

約数和(自身を含む): 20852601840

約数和(自身を除く): 13412316400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 313, 320, 379, 392, 448, 490, 560, 626, 640, 758, 784, 896, 980, 1120, 1252, 1280, 1516, 1565, 1568, 1792, 1895, 1960, 2191, 2240, 2504, 2653, 3032, 3130, 3136, 3790, 3920, 4382, 4480, 5008, 5306, 6064, 6260, 6272, 7580, 7840, 8764, 8960, 10016, 10612, 10955, 12128, 12520, 12544, 13265, 15160, 15337, 15680, 17528, 18571, 20032, 21224, 21910, 24256, 25040, 26530, 30320, 30674, 31360, 35056, 37142, 40064, 42448, 43820, 48512, 50080, 53060, 60640, 61348, 62720, 70112, 74284, 76685, 80128, 84896, 87640, 92855, 97024, 100160, 106120, 118627, 121280, 122696, 140224, 148568, 153370, 169792, 175280, 185710, 200320, 212240, 237254, 242560, 245392, 280448, 297136, 306740, 339584, 350560, 371420, 400640, 424480, 474508, 485120, 490784, 560896, 593135, 594272, 613480, 679168, 701120, 742840, 830389, 848960, 949016, 981568, 1186270, 1188544, 1226960, 1402240, 1485680, 1660778, 1697920, 1898032, 1963136, 2372540, 2377088, 2453920, 2804480, 2971360, 3321556, 3395840, 3796064, 3926272, 4151945, 4745080, 4754176, 4907840, 5812723, 5942720, 6643112, 7592128, 8303890, 9490160, 9815680, 11625446, 11885440, 13286224, 15184256, 16607780, 18980320, 19631360, 23250892, 23770880, 26572448, 29063615, 30368512, 33215560, 37960640, 46501784, 53144896, 58127230, 66431120, 75921280, 93003568, 106289792, 116254460, 132862240, 151842560, 186007136, 212579584, 232508920, 265724480, 372014272, 465017840, 531448960, 744028544, 930035680, 1062897920, 1488057088, 1860071360, 3720142720, 7440285440]

約数ペア:

[(1, 7440285440), (2, 3720142720), (4, 1860071360), (5, 1488057088), (7, 1062897920), (8, 930035680), (10, 744028544), (14, 531448960), (16, 465017840), (20, 372014272), (28, 265724480), (32, 232508920), (35, 212579584), (40, 186007136), (49, 151842560), (56, 132862240), (64, 116254460), (70, 106289792), (80, 93003568), (98, 75921280), (112, 66431120), (128, 58127230), (140, 53144896), (160, 46501784), (196, 37960640), (224, 33215560), (245, 30368512), (256, 29063615), (280, 26572448), (313, 23770880), (320, 23250892), (379, 19631360), (392, 18980320), (448, 16607780), (490, 15184256), (560, 13286224), (626, 11885440), (640, 11625446), (758, 9815680), (784, 9490160), (896, 8303890), (980, 7592128), (1120, 6643112), (1252, 5942720), (1280, 5812723), (1516, 4907840), (1565, 4754176), (1568, 4745080), (1792, 4151945), (1895, 3926272), (1960, 3796064), (2191, 3395840), (2240, 3321556), (2504, 2971360), (2653, 2804480), (3032, 2453920), (3130, 2377088), (3136, 2372540), (3790, 1963136), (3920, 1898032), (4382, 1697920), (4480, 1660778), (5008, 1485680), (5306, 1402240), (6064, 1226960), (6260, 1188544), (6272, 1186270), (7580, 981568), (7840, 949016), (8764, 848960), (8960, 830389), (10016, 742840), (10612, 701120), (10955, 679168), (12128, 613480), (12520, 594272), (12544, 593135), (13265, 560896), (15160, 490784), (15337, 485120), (15680, 474508), (17528, 424480), (18571, 400640), (20032, 371420), (21224, 350560), (21910, 339584), (24256, 306740), (25040, 297136), (26530, 280448), (30320, 245392), (30674, 242560), (31360, 237254), (35056, 212240), (37142, 200320), (40064, 185710), (42448, 175280), (43820, 169792), (48512, 153370), (50080, 148568), (53060, 140224), (60640, 122696), (61348, 121280), (62720, 118627), (70112, 106120), (74284, 100160), (76685, 97024), (80128, 92855), (84896, 87640)]