68489680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 197487360

約数和(自身を除く): 128997680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 157, 164, 190, 205, 266, 280, 287, 304, 314, 328, 380, 410, 532, 560, 574, 628, 656, 665, 760, 779, 785, 820, 1064, 1099, 1148, 1256, 1330, 1435, 1520, 1558, 1570, 1640, 2128, 2198, 2296, 2512, 2660, 2870, 2983, 3116, 3140, 3280, 3895, 4396, 4592, 5320, 5453, 5495, 5740, 5966, 6232, 6280, 6437, 7790, 8792, 10640, 10906, 10990, 11480, 11932, 12464, 12560, 12874, 14915, 15580, 17584, 20881, 21812, 21980, 22960, 23864, 25748, 27265, 29830, 31160, 32185, 41762, 43624, 43960, 45059, 47728, 51496, 54530, 59660, 62320, 64370, 83524, 87248, 87920, 90118, 102992, 104405, 109060, 119320, 122303, 128740, 167048, 180236, 208810, 218120, 225295, 238640, 244606, 257480, 334096, 360472, 417620, 436240, 450590, 489212, 514960, 611515, 720944, 835240, 856121, 901180, 978424, 1223030, 1670480, 1712242, 1802360, 1956848, 2446060, 3424484, 3604720, 4280605, 4892120, 6848968, 8561210, 9784240, 13697936, 17122420, 34244840, 68489680]

約数ペア:

[(1, 68489680), (2, 34244840), (4, 17122420), (5, 13697936), (7, 9784240), (8, 8561210), (10, 6848968), (14, 4892120), (16, 4280605), (19, 3604720), (20, 3424484), (28, 2446060), (35, 1956848), (38, 1802360), (40, 1712242), (41, 1670480), (56, 1223030), (70, 978424), (76, 901180), (80, 856121), (82, 835240), (95, 720944), (112, 611515), (133, 514960), (140, 489212), (152, 450590), (157, 436240), (164, 417620), (190, 360472), (205, 334096), (266, 257480), (280, 244606), (287, 238640), (304, 225295), (314, 218120), (328, 208810), (380, 180236), (410, 167048), (532, 128740), (560, 122303), (574, 119320), (628, 109060), (656, 104405), (665, 102992), (760, 90118), (779, 87920), (785, 87248), (820, 83524), (1064, 64370), (1099, 62320), (1148, 59660), (1256, 54530), (1330, 51496), (1435, 47728), (1520, 45059), (1558, 43960), (1570, 43624), (1640, 41762), (2128, 32185), (2198, 31160), (2296, 29830), (2512, 27265), (2660, 25748), (2870, 23864), (2983, 22960), (3116, 21980), (3140, 21812), (3280, 20881), (3895, 17584), (4396, 15580), (4592, 14915), (5320, 12874), (5453, 12560), (5495, 12464), (5740, 11932), (5966, 11480), (6232, 10990), (6280, 10906), (6437, 10640), (7790, 8792)]