7777606480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{55333}}^1$

素因数の和:55604

約数の個数: 80

約数和(自身を含む): 20748921984

約数和(自身を除く): 12971315504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 1004, 1255, 1757, 2008, 2510, 3514, 4016, 5020, 7028, 8785, 10040, 14056, 17570, 20080, 28112, 35140, 55333, 70280, 110666, 140560, 221332, 276665, 387331, 442664, 553330, 774662, 885328, 1106660, 1549324, 1936655, 2213320, 3098648, 3873310, 4426640, 6197296, 7746620, 13888583, 15493240, 27777166, 30986480, 55554332, 69442915, 97220081, 111108664, 138885830, 194440162, 222217328, 277771660, 388880324, 486100405, 555543320, 777760648, 972200810, 1111086640, 1555521296, 1944401620, 3888803240, 7777606480]

約数ペア:

[(1, 7777606480), (2, 3888803240), (4, 1944401620), (5, 1555521296), (7, 1111086640), (8, 972200810), (10, 777760648), (14, 555543320), (16, 486100405), (20, 388880324), (28, 277771660), (35, 222217328), (40, 194440162), (56, 138885830), (70, 111108664), (80, 97220081), (112, 69442915), (140, 55554332), (251, 30986480), (280, 27777166), (502, 15493240), (560, 13888583), (1004, 7746620), (1255, 6197296), (1757, 4426640), (2008, 3873310), (2510, 3098648), (3514, 2213320), (4016, 1936655), (5020, 1549324), (7028, 1106660), (8785, 885328), (10040, 774662), (14056, 553330), (17570, 442664), (20080, 387331), (28112, 276665), (35140, 221332), (55333, 140560), (70280, 110666)]