81453240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 294053760

約数和(自身を除く): 212600520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 67, 72, 88, 90, 99, 110, 120, 132, 134, 165, 180, 198, 201, 220, 264, 268, 307, 330, 335, 360, 396, 402, 440, 495, 536, 603, 614, 660, 670, 737, 792, 804, 921, 990, 1005, 1206, 1228, 1320, 1340, 1474, 1535, 1608, 1842, 1980, 2010, 2211, 2412, 2456, 2680, 2763, 2948, 3015, 3070, 3377, 3684, 3685, 3960, 4020, 4422, 4605, 4824, 5526, 5896, 6030, 6140, 6633, 6754, 7368, 7370, 8040, 8844, 9210, 10131, 11052, 11055, 12060, 12280, 13266, 13508, 13815, 14740, 16885, 17688, 18420, 20262, 20569, 22104, 22110, 24120, 26532, 27016, 27630, 29480, 30393, 33165, 33770, 36840, 40524, 41138, 44220, 50655, 53064, 55260, 60786, 61707, 66330, 67540, 81048, 82276, 88440, 101310, 102845, 110520, 121572, 123414, 132660, 135080, 151965, 164552, 185121, 202620, 205690, 226259, 243144, 246828, 265320, 303930, 308535, 370242, 405240, 411380, 452518, 493656, 607860, 617070, 678777, 740484, 822760, 905036, 925605, 1131295, 1215720, 1234140, 1357554, 1480968, 1810072, 1851210, 2036331, 2262590, 2468280, 2715108, 3393885, 3702420, 4072662, 4525180, 5430216, 6787770, 7404840, 8145324, 9050360, 10181655, 13575540, 16290648, 20363310, 27151080, 40726620, 81453240]

約数ペア:

[(1, 81453240), (2, 40726620), (3, 27151080), (4, 20363310), (5, 16290648), (6, 13575540), (8, 10181655), (9, 9050360), (10, 8145324), (11, 7404840), (12, 6787770), (15, 5430216), (18, 4525180), (20, 4072662), (22, 3702420), (24, 3393885), (30, 2715108), (33, 2468280), (36, 2262590), (40, 2036331), (44, 1851210), (45, 1810072), (55, 1480968), (60, 1357554), (66, 1234140), (67, 1215720), (72, 1131295), (88, 925605), (90, 905036), (99, 822760), (110, 740484), (120, 678777), (132, 617070), (134, 607860), (165, 493656), (180, 452518), (198, 411380), (201, 405240), (220, 370242), (264, 308535), (268, 303930), (307, 265320), (330, 246828), (335, 243144), (360, 226259), (396, 205690), (402, 202620), (440, 185121), (495, 164552), (536, 151965), (603, 135080), (614, 132660), (660, 123414), (670, 121572), (737, 110520), (792, 102845), (804, 101310), (921, 88440), (990, 82276), (1005, 81048), (1206, 67540), (1228, 66330), (1320, 61707), (1340, 60786), (1474, 55260), (1535, 53064), (1608, 50655), (1842, 44220), (1980, 41138), (2010, 40524), (2211, 36840), (2412, 33770), (2456, 33165), (2680, 30393), (2763, 29480), (2948, 27630), (3015, 27016), (3070, 26532), (3377, 24120), (3684, 22110), (3685, 22104), (3960, 20569), (4020, 20262), (4422, 18420), (4605, 17688), (4824, 16885), (5526, 14740), (5896, 13815), (6030, 13508), (6140, 13266), (6633, 12280), (6754, 12060), (7368, 11055), (7370, 11052), (8040, 10131), (8844, 9210)]