78305080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 139422920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 359, 380, 410, 532, 574, 665, 718, 760, 779, 820, 1064, 1148, 1330, 1435, 1436, 1558, 1640, 1795, 2296, 2513, 2660, 2870, 2872, 3116, 3590, 3895, 5026, 5320, 5453, 5740, 6232, 6821, 7180, 7790, 10052, 10906, 11480, 12565, 13642, 14360, 14719, 15580, 20104, 21812, 25130, 27265, 27284, 29438, 31160, 34105, 43624, 47747, 50260, 54530, 54568, 58876, 68210, 73595, 95494, 100520, 103033, 109060, 117752, 136420, 147190, 190988, 206066, 218120, 238735, 272840, 279661, 294380, 381976, 412132, 477470, 515165, 559322, 588760, 824264, 954940, 1030330, 1118644, 1398305, 1909880, 1957627, 2060660, 2237288, 2796610, 3915254, 4121320, 5593220, 7830508, 9788135, 11186440, 15661016, 19576270, 39152540, 78305080]

約数ペア:

[(1, 78305080), (2, 39152540), (4, 19576270), (5, 15661016), (7, 11186440), (8, 9788135), (10, 7830508), (14, 5593220), (19, 4121320), (20, 3915254), (28, 2796610), (35, 2237288), (38, 2060660), (40, 1957627), (41, 1909880), (56, 1398305), (70, 1118644), (76, 1030330), (82, 954940), (95, 824264), (133, 588760), (140, 559322), (152, 515165), (164, 477470), (190, 412132), (205, 381976), (266, 294380), (280, 279661), (287, 272840), (328, 238735), (359, 218120), (380, 206066), (410, 190988), (532, 147190), (574, 136420), (665, 117752), (718, 109060), (760, 103033), (779, 100520), (820, 95494), (1064, 73595), (1148, 68210), (1330, 58876), (1435, 54568), (1436, 54530), (1558, 50260), (1640, 47747), (1795, 43624), (2296, 34105), (2513, 31160), (2660, 29438), (2870, 27284), (2872, 27265), (3116, 25130), (3590, 21812), (3895, 20104), (5026, 15580), (5320, 14719), (5453, 14360), (5740, 13642), (6232, 12565), (6821, 11480), (7180, 10906), (7790, 10052)]