81969072

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 217471200

約数和(自身を除く): 135502128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 149, 157, 219, 292, 298, 314, 438, 447, 471, 584, 596, 628, 876, 894, 942, 1168, 1192, 1256, 1752, 1788, 1884, 2384, 2512, 3504, 3576, 3768, 7152, 7536, 10877, 11461, 21754, 22922, 23393, 32631, 34383, 43508, 45844, 46786, 65262, 68766, 70179, 87016, 91688, 93572, 130524, 137532, 140358, 174032, 183376, 187144, 261048, 275064, 280716, 374288, 522096, 550128, 561432, 1122864, 1707689, 3415378, 5123067, 6830756, 10246134, 13661512, 20492268, 27323024, 40984536, 81969072]

約数ペア:

[(1, 81969072), (2, 40984536), (3, 27323024), (4, 20492268), (6, 13661512), (8, 10246134), (12, 6830756), (16, 5123067), (24, 3415378), (48, 1707689), (73, 1122864), (146, 561432), (149, 550128), (157, 522096), (219, 374288), (292, 280716), (298, 275064), (314, 261048), (438, 187144), (447, 183376), (471, 174032), (584, 140358), (596, 137532), (628, 130524), (876, 93572), (894, 91688), (942, 87016), (1168, 70179), (1192, 68766), (1256, 65262), (1752, 46786), (1788, 45844), (1884, 43508), (2384, 34383), (2512, 32631), (3504, 23393), (3576, 22922), (3768, 21754), (7152, 11461), (7536, 10877)]