81194220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23741}}^1$

素因数の和:23775

約数の個数: 72

約数和(自身を含む): 259262640

約数和(自身を除く): 178068420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23741, 47482, 71223, 94964, 118705, 142446, 213669, 237410, 284892, 356115, 427338, 451079, 474820, 712230, 854676, 902158, 1068345, 1353237, 1424460, 1804316, 2136690, 2255395, 2706474, 4059711, 4273380, 4510790, 5412948, 6766185, 8119422, 9021580, 13532370, 16238844, 20298555, 27064740, 40597110, 81194220]

約数ペア:

[(1, 81194220), (2, 40597110), (3, 27064740), (4, 20298555), (5, 16238844), (6, 13532370), (9, 9021580), (10, 8119422), (12, 6766185), (15, 5412948), (18, 4510790), (19, 4273380), (20, 4059711), (30, 2706474), (36, 2255395), (38, 2136690), (45, 1804316), (57, 1424460), (60, 1353237), (76, 1068345), (90, 902158), (95, 854676), (114, 712230), (171, 474820), (180, 451079), (190, 427338), (228, 356115), (285, 284892), (342, 237410), (380, 213669), (570, 142446), (684, 118705), (855, 94964), (1140, 71223), (1710, 47482), (3420, 23741)]