18663480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1602

約数の個数: 128

約数和(自身を含む): 67910400

約数和(自身を除く): 49246920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1571, 1980, 2376, 2970, 3142, 3960, 4713, 5940, 6284, 7855, 9426, 11880, 12568, 14139, 15710, 17281, 18852, 23565, 28278, 31420, 34562, 37704, 42417, 47130, 51843, 56556, 62840, 69124, 70695, 84834, 86405, 94260, 103686, 113112, 138248, 141390, 155529, 169668, 172810, 188520, 207372, 212085, 259215, 282780, 311058, 339336, 345620, 414744, 424170, 466587, 518430, 565560, 622116, 691240, 777645, 848340, 933174, 1036860, 1244232, 1555290, 1696680, 1866348, 2073720, 2332935, 3110580, 3732696, 4665870, 6221160, 9331740, 18663480]

約数ペア:

[(1, 18663480), (2, 9331740), (3, 6221160), (4, 4665870), (5, 3732696), (6, 3110580), (8, 2332935), (9, 2073720), (10, 1866348), (11, 1696680), (12, 1555290), (15, 1244232), (18, 1036860), (20, 933174), (22, 848340), (24, 777645), (27, 691240), (30, 622116), (33, 565560), (36, 518430), (40, 466587), (44, 424170), (45, 414744), (54, 345620), (55, 339336), (60, 311058), (66, 282780), (72, 259215), (88, 212085), (90, 207372), (99, 188520), (108, 172810), (110, 169668), (120, 155529), (132, 141390), (135, 138248), (165, 113112), (180, 103686), (198, 94260), (216, 86405), (220, 84834), (264, 70695), (270, 69124), (297, 62840), (330, 56556), (360, 51843), (396, 47130), (440, 42417), (495, 37704), (540, 34562), (594, 31420), (660, 28278), (792, 23565), (990, 18852), (1080, 17281), (1188, 15710), (1320, 14139), (1485, 12568), (1571, 11880), (1980, 9426), (2376, 7855), (2970, 6284), (3142, 5940), (3960, 4713)]