18568440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 160

約数和(自身を含む): 68214960

約数和(自身を除く): 49646520

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, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 521, 540, 594, 648, 660, 792, 810, 891, 990, 1042, 1080, 1188, 1320, 1485, 1563, 1620, 1782, 1980, 2084, 2376, 2605, 2970, 3126, 3240, 3564, 3960, 4168, 4455, 4689, 5210, 5731, 5940, 6252, 7128, 7815, 8910, 9378, 10420, 11462, 11880, 12504, 14067, 15630, 17193, 17820, 18756, 20840, 22924, 23445, 28134, 28655, 31260, 34386, 35640, 37512, 42201, 45848, 46890, 51579, 56268, 57310, 62520, 68772, 70335, 84402, 85965, 93780, 103158, 112536, 114620, 137544, 140670, 154737, 168804, 171930, 187560, 206316, 211005, 229240, 257895, 281340, 309474, 337608, 343860, 412632, 422010, 464211, 515790, 562680, 618948, 687720, 773685, 844020, 928422, 1031580, 1237896, 1547370, 1688040, 1856844, 2063160, 2321055, 3094740, 3713688, 4642110, 6189480, 9284220, 18568440]

約数ペア:

[(1, 18568440), (2, 9284220), (3, 6189480), (4, 4642110), (5, 3713688), (6, 3094740), (8, 2321055), (9, 2063160), (10, 1856844), (11, 1688040), (12, 1547370), (15, 1237896), (18, 1031580), (20, 928422), (22, 844020), (24, 773685), (27, 687720), (30, 618948), (33, 562680), (36, 515790), (40, 464211), (44, 422010), (45, 412632), (54, 343860), (55, 337608), (60, 309474), (66, 281340), (72, 257895), (81, 229240), (88, 211005), (90, 206316), (99, 187560), (108, 171930), (110, 168804), (120, 154737), (132, 140670), (135, 137544), (162, 114620), (165, 112536), (180, 103158), (198, 93780), (216, 85965), (220, 84402), (264, 70335), (270, 68772), (297, 62520), (324, 57310), (330, 56268), (360, 51579), (396, 46890), (405, 45848), (440, 42201), (495, 37512), (521, 35640), (540, 34386), (594, 31260), (648, 28655), (660, 28134), (792, 23445), (810, 22924), (891, 20840), (990, 18756), (1042, 17820), (1080, 17193), (1188, 15630), (1320, 14067), (1485, 12504), (1563, 11880), (1620, 11462), (1782, 10420), (1980, 9378), (2084, 8910), (2376, 7815), (2605, 7128), (2970, 6252), (3126, 5940), (3240, 5731), (3564, 5210), (3960, 4689), (4168, 4455)]