172293280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 419973120

約数和(自身を除く): 247679840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 127, 139, 160, 244, 254, 278, 305, 488, 508, 556, 610, 635, 695, 976, 1016, 1112, 1220, 1270, 1390, 1952, 2032, 2224, 2440, 2540, 2780, 4064, 4448, 4880, 5080, 5560, 7747, 8479, 9760, 10160, 11120, 15494, 16958, 17653, 20320, 22240, 30988, 33916, 35306, 38735, 42395, 61976, 67832, 70612, 77470, 84790, 88265, 123952, 135664, 141224, 154940, 169580, 176530, 247904, 271328, 282448, 309880, 339160, 353060, 564896, 619760, 678320, 706120, 1076833, 1239520, 1356640, 1412240, 2153666, 2824480, 4307332, 5384165, 8614664, 10768330, 17229328, 21536660, 34458656, 43073320, 86146640, 172293280]

約数ペア:

[(1, 172293280), (2, 86146640), (4, 43073320), (5, 34458656), (8, 21536660), (10, 17229328), (16, 10768330), (20, 8614664), (32, 5384165), (40, 4307332), (61, 2824480), (80, 2153666), (122, 1412240), (127, 1356640), (139, 1239520), (160, 1076833), (244, 706120), (254, 678320), (278, 619760), (305, 564896), (488, 353060), (508, 339160), (556, 309880), (610, 282448), (635, 271328), (695, 247904), (976, 176530), (1016, 169580), (1112, 154940), (1220, 141224), (1270, 135664), (1390, 123952), (1952, 88265), (2032, 84790), (2224, 77470), (2440, 70612), (2540, 67832), (2780, 61976), (4064, 42395), (4448, 38735), (4880, 35306), (5080, 33916), (5560, 30988), (7747, 22240), (8479, 20320), (9760, 17653), (10160, 16958), (11120, 15494)]