180817520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 468969984

約数和(自身を除く): 288152464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 127, 130, 148, 185, 208, 254, 260, 296, 370, 481, 508, 520, 592, 635, 740, 962, 1016, 1040, 1270, 1369, 1480, 1651, 1924, 2032, 2405, 2540, 2738, 2960, 3302, 3848, 4699, 4810, 5080, 5476, 6604, 6845, 7696, 8255, 9398, 9620, 10160, 10952, 13208, 13690, 16510, 17797, 18796, 19240, 21904, 23495, 26416, 27380, 33020, 35594, 37592, 38480, 46990, 54760, 61087, 66040, 71188, 75184, 88985, 93980, 109520, 122174, 132080, 142376, 173863, 177970, 187960, 244348, 284752, 305435, 347726, 355940, 375920, 488696, 610870, 695452, 711880, 869315, 977392, 1221740, 1390904, 1423760, 1738630, 2260219, 2443480, 2781808, 3477260, 4520438, 4886960, 6954520, 9040876, 11301095, 13909040, 18081752, 22602190, 36163504, 45204380, 90408760, 180817520]

約数ペア:

[(1, 180817520), (2, 90408760), (4, 45204380), (5, 36163504), (8, 22602190), (10, 18081752), (13, 13909040), (16, 11301095), (20, 9040876), (26, 6954520), (37, 4886960), (40, 4520438), (52, 3477260), (65, 2781808), (74, 2443480), (80, 2260219), (104, 1738630), (127, 1423760), (130, 1390904), (148, 1221740), (185, 977392), (208, 869315), (254, 711880), (260, 695452), (296, 610870), (370, 488696), (481, 375920), (508, 355940), (520, 347726), (592, 305435), (635, 284752), (740, 244348), (962, 187960), (1016, 177970), (1040, 173863), (1270, 142376), (1369, 132080), (1480, 122174), (1651, 109520), (1924, 93980), (2032, 88985), (2405, 75184), (2540, 71188), (2738, 66040), (2960, 61087), (3302, 54760), (3848, 46990), (4699, 38480), (4810, 37592), (5080, 35594), (5476, 33020), (6604, 27380), (6845, 26416), (7696, 23495), (8255, 21904), (9398, 19240), (9620, 18796), (10160, 17797), (10952, 16510), (13208, 13690)]