20894041440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{8431}}^1$

素因数の和:10173

約数の個数: 144

約数和(自身を含む): 71350808256

約数和(自身を除く): 50456766816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1721, 3442, 5163, 6884, 8431, 8605, 10326, 13768, 15489, 16862, 17210, 20652, 25293, 25815, 27536, 30978, 33724, 34420, 41304, 42155, 50586, 51630, 55072, 61956, 67448, 68840, 75879, 77445, 82608, 84310, 101172, 103260, 123912, 126465, 134896, 137680, 151758, 154890, 165216, 168620, 202344, 206520, 247824, 252930, 269792, 275360, 303516, 309780, 337240, 379395, 404688, 413040, 495648, 505860, 607032, 619560, 674480, 758790, 809376, 826080, 1011720, 1214064, 1239120, 1348960, 1517580, 2023440, 2428128, 2478240, 3035160, 4046880, 6070320, 12140640, 14509751, 29019502, 43529253, 58039004, 72548755, 87058506, 116078008, 130587759, 145097510, 174117012, 217646265, 232156016, 261175518, 290195020, 348234024, 435292530, 464312032, 522351036, 580390040, 652938795, 696468048, 870585060, 1044702072, 1160780080, 1305877590, 1392936096, 1741170120, 2089404144, 2321560160, 2611755180, 3482340240, 4178808288, 5223510360, 6964680480, 10447020720, 20894041440]

約数ペア:

[(1, 20894041440), (2, 10447020720), (3, 6964680480), (4, 5223510360), (5, 4178808288), (6, 3482340240), (8, 2611755180), (9, 2321560160), (10, 2089404144), (12, 1741170120), (15, 1392936096), (16, 1305877590), (18, 1160780080), (20, 1044702072), (24, 870585060), (30, 696468048), (32, 652938795), (36, 580390040), (40, 522351036), (45, 464312032), (48, 435292530), (60, 348234024), (72, 290195020), (80, 261175518), (90, 232156016), (96, 217646265), (120, 174117012), (144, 145097510), (160, 130587759), (180, 116078008), (240, 87058506), (288, 72548755), (360, 58039004), (480, 43529253), (720, 29019502), (1440, 14509751), (1721, 12140640), (3442, 6070320), (5163, 4046880), (6884, 3035160), (8431, 2478240), (8605, 2428128), (10326, 2023440), (13768, 1517580), (15489, 1348960), (16862, 1239120), (17210, 1214064), (20652, 1011720), (25293, 826080), (25815, 809376), (27536, 758790), (30978, 674480), (33724, 619560), (34420, 607032), (41304, 505860), (42155, 495648), (50586, 413040), (51630, 404688), (55072, 379395), (61956, 337240), (67448, 309780), (68840, 303516), (75879, 275360), (77445, 269792), (82608, 252930), (84310, 247824), (101172, 206520), (103260, 202344), (123912, 168620), (126465, 165216), (134896, 154890), (137680, 151758)]