648307440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3612

約数の個数: 240

約数和(自身を含む): 2479127040

約数和(自身を除く): 1830819600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 48, 55, 60, 66, 69, 72, 80, 88, 90, 92, 99, 110, 115, 120, 132, 138, 144, 165, 176, 180, 184, 198, 207, 220, 230, 240, 253, 264, 276, 330, 345, 360, 368, 396, 414, 440, 460, 495, 506, 528, 552, 660, 690, 720, 759, 792, 828, 880, 920, 990, 1012, 1035, 1104, 1265, 1320, 1380, 1518, 1584, 1656, 1840, 1980, 2024, 2070, 2277, 2530, 2640, 2760, 3036, 3312, 3559, 3795, 3960, 4048, 4140, 4554, 5060, 5520, 6072, 7118, 7590, 7920, 8280, 9108, 10120, 10677, 11385, 12144, 14236, 15180, 16560, 17795, 18216, 20240, 21354, 22770, 28472, 30360, 32031, 35590, 36432, 39149, 42708, 45540, 53385, 56944, 60720, 64062, 71180, 78298, 81857, 85416, 91080, 106770, 117447, 128124, 142360, 156596, 160155, 163714, 170832, 182160, 195745, 213540, 234894, 245571, 256248, 284720, 313192, 320310, 327428, 352341, 391490, 409285, 427080, 469788, 491142, 512496, 587235, 626384, 640620, 654856, 704682, 736713, 782980, 818570, 854160, 900427, 939576, 982284, 1174470, 1227855, 1281240, 1309712, 1409364, 1473426, 1565960, 1637140, 1761705, 1800854, 1879152, 1964568, 2348940, 2455710, 2562480, 2701281, 2818728, 2946852, 3131920, 3274280, 3523410, 3601708, 3683565, 3929136, 4502135, 4697880, 4911420, 5402562, 5637456, 5893704, 6548560, 7046820, 7203416, 7367130, 8103843, 9004270, 9395760, 9822840, 10805124, 11787408, 13506405, 14093640, 14406832, 14734260, 16207686, 18008540, 19645680, 21610248, 27012810, 28187280, 29468520, 32415372, 36017080, 40519215, 43220496, 54025620, 58937040, 64830744, 72034160, 81038430, 108051240, 129661488, 162076860, 216102480, 324153720, 648307440]

約数ペア:

[(1, 648307440), (2, 324153720), (3, 216102480), (4, 162076860), (5, 129661488), (6, 108051240), (8, 81038430), (9, 72034160), (10, 64830744), (11, 58937040), (12, 54025620), (15, 43220496), (16, 40519215), (18, 36017080), (20, 32415372), (22, 29468520), (23, 28187280), (24, 27012810), (30, 21610248), (33, 19645680), (36, 18008540), (40, 16207686), (44, 14734260), (45, 14406832), (46, 14093640), (48, 13506405), (55, 11787408), (60, 10805124), (66, 9822840), (69, 9395760), (72, 9004270), (80, 8103843), (88, 7367130), (90, 7203416), (92, 7046820), (99, 6548560), (110, 5893704), (115, 5637456), (120, 5402562), (132, 4911420), (138, 4697880), (144, 4502135), (165, 3929136), (176, 3683565), (180, 3601708), (184, 3523410), (198, 3274280), (207, 3131920), (220, 2946852), (230, 2818728), (240, 2701281), (253, 2562480), (264, 2455710), (276, 2348940), (330, 1964568), (345, 1879152), (360, 1800854), (368, 1761705), (396, 1637140), (414, 1565960), (440, 1473426), (460, 1409364), (495, 1309712), (506, 1281240), (528, 1227855), (552, 1174470), (660, 982284), (690, 939576), (720, 900427), (759, 854160), (792, 818570), (828, 782980), (880, 736713), (920, 704682), (990, 654856), (1012, 640620), (1035, 626384), (1104, 587235), (1265, 512496), (1320, 491142), (1380, 469788), (1518, 427080), (1584, 409285), (1656, 391490), (1840, 352341), (1980, 327428), (2024, 320310), (2070, 313192), (2277, 284720), (2530, 256248), (2640, 245571), (2760, 234894), (3036, 213540), (3312, 195745), (3559, 182160), (3795, 170832), (3960, 163714), (4048, 160155), (4140, 156596), (4554, 142360), (5060, 128124), (5520, 117447), (6072, 106770), (7118, 91080), (7590, 85416), (7920, 81857), (8280, 78298), (9108, 71180), (10120, 64062), (10677, 60720), (11385, 56944), (12144, 53385), (14236, 45540), (15180, 42708), (16560, 39149), (17795, 36432), (18216, 35590), (20240, 32031), (21354, 30360), (22770, 28472)]