661595040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 240

約数和(自身を含む): 2371057920

約数和(自身を除く): 1709462880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 270, 284, 288, 324, 355, 360, 405, 426, 432, 480, 540, 568, 639, 648, 710, 719, 720, 810, 852, 864, 1065, 1080, 1136, 1278, 1296, 1420, 1438, 1440, 1620, 1704, 1917, 2130, 2157, 2160, 2272, 2556, 2592, 2840, 2876, 3195, 3240, 3408, 3595, 3834, 4260, 4314, 4320, 5112, 5680, 5751, 5752, 6390, 6471, 6480, 6816, 7190, 7668, 8520, 8628, 9585, 10224, 10785, 11360, 11502, 11504, 12780, 12942, 12960, 14380, 15336, 17040, 17256, 19170, 19413, 20448, 21570, 23004, 23008, 25560, 25884, 28755, 28760, 30672, 32355, 34080, 34512, 38340, 38826, 43140, 46008, 51049, 51120, 51768, 57510, 57520, 58239, 61344, 64710, 69024, 76680, 77652, 86280, 92016, 97065, 102098, 102240, 103536, 115020, 115040, 116478, 129420, 153147, 153360, 155304, 172560, 184032, 194130, 204196, 207072, 230040, 232956, 255245, 258840, 291195, 306294, 306720, 310608, 345120, 388260, 408392, 459441, 460080, 465912, 510490, 517680, 582390, 612588, 621216, 765735, 776520, 816784, 918882, 920160, 931824, 1020980, 1035360, 1164780, 1225176, 1378323, 1531470, 1553040, 1633568, 1837764, 1863648, 2041960, 2297205, 2329560, 2450352, 2756646, 3062940, 3106080, 3675528, 4083920, 4134969, 4594410, 4659120, 4900704, 5513292, 6125880, 6891615, 7351056, 8167840, 8269938, 9188820, 9318240, 11026584, 12251760, 13783230, 14702112, 16539876, 18377640, 20674845, 22053168, 24503520, 27566460, 33079752, 36755280, 41349690, 44106336, 55132920, 66159504, 73510560, 82699380, 110265840, 132319008, 165398760, 220531680, 330797520, 661595040]

約数ペア:

[(1, 661595040), (2, 330797520), (3, 220531680), (4, 165398760), (5, 132319008), (6, 110265840), (8, 82699380), (9, 73510560), (10, 66159504), (12, 55132920), (15, 44106336), (16, 41349690), (18, 36755280), (20, 33079752), (24, 27566460), (27, 24503520), (30, 22053168), (32, 20674845), (36, 18377640), (40, 16539876), (45, 14702112), (48, 13783230), (54, 12251760), (60, 11026584), (71, 9318240), (72, 9188820), (80, 8269938), (81, 8167840), (90, 7351056), (96, 6891615), (108, 6125880), (120, 5513292), (135, 4900704), (142, 4659120), (144, 4594410), (160, 4134969), (162, 4083920), (180, 3675528), (213, 3106080), (216, 3062940), (240, 2756646), (270, 2450352), (284, 2329560), (288, 2297205), (324, 2041960), (355, 1863648), (360, 1837764), (405, 1633568), (426, 1553040), (432, 1531470), (480, 1378323), (540, 1225176), (568, 1164780), (639, 1035360), (648, 1020980), (710, 931824), (719, 920160), (720, 918882), (810, 816784), (852, 776520), (864, 765735), (1065, 621216), (1080, 612588), (1136, 582390), (1278, 517680), (1296, 510490), (1420, 465912), (1438, 460080), (1440, 459441), (1620, 408392), (1704, 388260), (1917, 345120), (2130, 310608), (2157, 306720), (2160, 306294), (2272, 291195), (2556, 258840), (2592, 255245), (2840, 232956), (2876, 230040), (3195, 207072), (3240, 204196), (3408, 194130), (3595, 184032), (3834, 172560), (4260, 155304), (4314, 153360), (4320, 153147), (5112, 129420), (5680, 116478), (5751, 115040), (5752, 115020), (6390, 103536), (6471, 102240), (6480, 102098), (6816, 97065), (7190, 92016), (7668, 86280), (8520, 77652), (8628, 76680), (9585, 69024), (10224, 64710), (10785, 61344), (11360, 58239), (11502, 57520), (11504, 57510), (12780, 51768), (12942, 51120), (12960, 51049), (14380, 46008), (15336, 43140), (17040, 38826), (17256, 38340), (19170, 34512), (19413, 34080), (20448, 32355), (21570, 30672), (23004, 28760), (23008, 28755), (25560, 25884)]