246959120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 586629120

約数和(自身を除く): 339670000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 127, 218, 223, 254, 436, 446, 508, 545, 635, 872, 892, 1016, 1090, 1115, 1270, 1744, 1784, 2032, 2180, 2230, 2540, 3568, 4360, 4460, 5080, 8720, 8920, 10160, 13843, 17840, 24307, 27686, 28321, 48614, 55372, 56642, 69215, 97228, 110744, 113284, 121535, 138430, 141605, 194456, 221488, 226568, 243070, 276860, 283210, 388912, 453136, 486140, 553720, 566420, 972280, 1107440, 1132840, 1944560, 2265680, 3086989, 6173978, 12347956, 15434945, 24695912, 30869890, 49391824, 61739780, 123479560, 246959120]

約数ペア:

[(1, 246959120), (2, 123479560), (4, 61739780), (5, 49391824), (8, 30869890), (10, 24695912), (16, 15434945), (20, 12347956), (40, 6173978), (80, 3086989), (109, 2265680), (127, 1944560), (218, 1132840), (223, 1107440), (254, 972280), (436, 566420), (446, 553720), (508, 486140), (545, 453136), (635, 388912), (872, 283210), (892, 276860), (1016, 243070), (1090, 226568), (1115, 221488), (1270, 194456), (1744, 141605), (1784, 138430), (2032, 121535), (2180, 113284), (2230, 110744), (2540, 97228), (3568, 69215), (4360, 56642), (4460, 55372), (5080, 48614), (8720, 28321), (8920, 27686), (10160, 24307), (13843, 17840)]