20289968640

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{97849}}^1$

素因数の和:97884

約数の個数: 200

約数和(自身を含む): 72672999300

約数和(自身を除く): 52383030660

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3240, 3456, 3840, 4320, 4608, 5184, 5760, 6480, 6912, 7680, 8640, 10368, 11520, 12960, 13824, 17280, 20736, 23040, 25920, 34560, 41472, 51840, 69120, 97849, 103680, 195698, 207360, 293547, 391396, 489245, 587094, 782792, 880641, 978490, 1174188, 1467735, 1565584, 1761282, 1956980, 2348376, 2641923, 2935470, 3131168, 3522564, 3913960, 4403205, 4696752, 5283846, 5870940, 6262336, 7045128, 7827920, 7925769, 8806410, 9393504, 10567692, 11741880, 12524672, 13209615, 14090256, 15655840, 15851538, 17612820, 18787008, 21135384, 23483760, 25049344, 26419230, 28180512, 31311680, 31703076, 35225640, 37574016, 39628845, 42270768, 46967520, 50098688, 52838460, 56361024, 62623360, 63406152, 70451280, 75148032, 79257690, 84541536, 93935040, 105676920, 112722048, 125246720, 126812304, 140902560, 150296064, 158515380, 169083072, 187870080, 211353840, 225444096, 250493440, 253624608, 281805120, 317030760, 338166144, 375740160, 422707680, 450888192, 507249216, 563610240, 634061520, 676332288, 751480320, 845415360, 1014498432, 1127220480, 1268123040, 1352664576, 1690830720, 2028996864, 2254440960, 2536246080, 3381661440, 4057993728, 5072492160, 6763322880, 10144984320, 20289968640]

約数ペア:

[(1, 20289968640), (2, 10144984320), (3, 6763322880), (4, 5072492160), (5, 4057993728), (6, 3381661440), (8, 2536246080), (9, 2254440960), (10, 2028996864), (12, 1690830720), (15, 1352664576), (16, 1268123040), (18, 1127220480), (20, 1014498432), (24, 845415360), (27, 751480320), (30, 676332288), (32, 634061520), (36, 563610240), (40, 507249216), (45, 450888192), (48, 422707680), (54, 375740160), (60, 338166144), (64, 317030760), (72, 281805120), (80, 253624608), (81, 250493440), (90, 225444096), (96, 211353840), (108, 187870080), (120, 169083072), (128, 158515380), (135, 150296064), (144, 140902560), (160, 126812304), (162, 125246720), (180, 112722048), (192, 105676920), (216, 93935040), (240, 84541536), (256, 79257690), (270, 75148032), (288, 70451280), (320, 63406152), (324, 62623360), (360, 56361024), (384, 52838460), (405, 50098688), (432, 46967520), (480, 42270768), (512, 39628845), (540, 37574016), (576, 35225640), (640, 31703076), (648, 31311680), (720, 28180512), (768, 26419230), (810, 25049344), (864, 23483760), (960, 21135384), (1080, 18787008), (1152, 17612820), (1280, 15851538), (1296, 15655840), (1440, 14090256), (1536, 13209615), (1620, 12524672), (1728, 11741880), (1920, 10567692), (2160, 9393504), (2304, 8806410), (2560, 7925769), (2592, 7827920), (2880, 7045128), (3240, 6262336), (3456, 5870940), (3840, 5283846), (4320, 4696752), (4608, 4403205), (5184, 3913960), (5760, 3522564), (6480, 3131168), (6912, 2935470), (7680, 2641923), (8640, 2348376), (10368, 1956980), (11520, 1761282), (12960, 1565584), (13824, 1467735), (17280, 1174188), (20736, 978490), (23040, 880641), (25920, 782792), (34560, 587094), (41472, 489245), (51840, 391396), (69120, 293547), (97849, 207360), (103680, 195698)]