42991740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21713}}^1$

素因数の和:21739

約数の個数: 72

約数和(自身を含む): 142270128

約数和(自身を除く): 99278388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21713, 43426, 65139, 86852, 108565, 130278, 195417, 217130, 238843, 260556, 325695, 390834, 434260, 477686, 651390, 716529, 781668, 955372, 977085, 1194215, 1302780, 1433058, 1954170, 2149587, 2388430, 2866116, 3582645, 3908340, 4299174, 4776860, 7165290, 8598348, 10747935, 14330580, 21495870, 42991740]

約数ペア:

[(1, 42991740), (2, 21495870), (3, 14330580), (4, 10747935), (5, 8598348), (6, 7165290), (9, 4776860), (10, 4299174), (11, 3908340), (12, 3582645), (15, 2866116), (18, 2388430), (20, 2149587), (22, 1954170), (30, 1433058), (33, 1302780), (36, 1194215), (44, 977085), (45, 955372), (55, 781668), (60, 716529), (66, 651390), (90, 477686), (99, 434260), (110, 390834), (132, 325695), (165, 260556), (180, 238843), (198, 217130), (220, 195417), (330, 130278), (396, 108565), (495, 86852), (660, 65139), (990, 43426), (1980, 21713)]