320419440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 240

約数和(自身を含む): 1225635840

約数和(自身を除く): 905216400

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, 1759, 1840, 1980, 2024, 2070, 2277, 2530, 2640, 2760, 3036, 3312, 3518, 3795, 3960, 4048, 4140, 4554, 5060, 5277, 5520, 6072, 7036, 7590, 7920, 8280, 8795, 9108, 10120, 10554, 11385, 12144, 14072, 15180, 15831, 16560, 17590, 18216, 19349, 20240, 21108, 22770, 26385, 28144, 30360, 31662, 35180, 36432, 38698, 40457, 42216, 45540, 52770, 58047, 60720, 63324, 70360, 77396, 79155, 80914, 84432, 91080, 96745, 105540, 116094, 121371, 126648, 140720, 154792, 158310, 161828, 174141, 182160, 193490, 202285, 211080, 232188, 242742, 253296, 290235, 309584, 316620, 323656, 348282, 364113, 386980, 404570, 422160, 445027, 464376, 485484, 580470, 606855, 633240, 647312, 696564, 728226, 773960, 809140, 870705, 890054, 928752, 970968, 1160940, 1213710, 1266480, 1335081, 1393128, 1456452, 1547920, 1618280, 1741410, 1780108, 1820565, 1941936, 2225135, 2321880, 2427420, 2670162, 2786256, 2912904, 3236560, 3482820, 3560216, 3641130, 4005243, 4450270, 4643760, 4854840, 5340324, 5825808, 6675405, 6965640, 7120432, 7282260, 8010486, 8900540, 9709680, 10680648, 13350810, 13931280, 14564520, 16020972, 17801080, 20026215, 21361296, 26701620, 29129040, 32041944, 35602160, 40052430, 53403240, 64083888, 80104860, 106806480, 160209720, 320419440]

約数ペア:

[(1, 320419440), (2, 160209720), (3, 106806480), (4, 80104860), (5, 64083888), (6, 53403240), (8, 40052430), (9, 35602160), (10, 32041944), (11, 29129040), (12, 26701620), (15, 21361296), (16, 20026215), (18, 17801080), (20, 16020972), (22, 14564520), (23, 13931280), (24, 13350810), (30, 10680648), (33, 9709680), (36, 8900540), (40, 8010486), (44, 7282260), (45, 7120432), (46, 6965640), (48, 6675405), (55, 5825808), (60, 5340324), (66, 4854840), (69, 4643760), (72, 4450270), (80, 4005243), (88, 3641130), (90, 3560216), (92, 3482820), (99, 3236560), (110, 2912904), (115, 2786256), (120, 2670162), (132, 2427420), (138, 2321880), (144, 2225135), (165, 1941936), (176, 1820565), (180, 1780108), (184, 1741410), (198, 1618280), (207, 1547920), (220, 1456452), (230, 1393128), (240, 1335081), (253, 1266480), (264, 1213710), (276, 1160940), (330, 970968), (345, 928752), (360, 890054), (368, 870705), (396, 809140), (414, 773960), (440, 728226), (460, 696564), (495, 647312), (506, 633240), (528, 606855), (552, 580470), (660, 485484), (690, 464376), (720, 445027), (759, 422160), (792, 404570), (828, 386980), (880, 364113), (920, 348282), (990, 323656), (1012, 316620), (1035, 309584), (1104, 290235), (1265, 253296), (1320, 242742), (1380, 232188), (1518, 211080), (1584, 202285), (1656, 193490), (1759, 182160), (1840, 174141), (1980, 161828), (2024, 158310), (2070, 154792), (2277, 140720), (2530, 126648), (2640, 121371), (2760, 116094), (3036, 105540), (3312, 96745), (3518, 91080), (3795, 84432), (3960, 80914), (4048, 79155), (4140, 77396), (4554, 70360), (5060, 63324), (5277, 60720), (5520, 58047), (6072, 52770), (7036, 45540), (7590, 42216), (7920, 40457), (8280, 38698), (8795, 36432), (9108, 35180), (10120, 31662), (10554, 30360), (11385, 28144), (12144, 26385), (14072, 22770), (15180, 21108), (15831, 20240), (16560, 19349), (17590, 18216)]