20493548640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{4079}}^1$

素因数の和:5266

約数の個数: 192

約数和(自身を含む): 71806694400

約数和(自身を除く): 51313145760

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1163, 1440, 2160, 2326, 3489, 4079, 4320, 4652, 5815, 6978, 8158, 9304, 10467, 11630, 12237, 13956, 16316, 17445, 18608, 20395, 20934, 23260, 24474, 27912, 31401, 32632, 34890, 36711, 37216, 40790, 41868, 46520, 48948, 52335, 55824, 61185, 62802, 65264, 69780, 73422, 81580, 83736, 93040, 97896, 104670, 110133, 111648, 122370, 125604, 130528, 139560, 146844, 157005, 163160, 167472, 183555, 186080, 195792, 209340, 220266, 244740, 251208, 279120, 293688, 314010, 326320, 334944, 367110, 391584, 418680, 440532, 489480, 502416, 550665, 558240, 587376, 628020, 652640, 734220, 837360, 881064, 978960, 1004832, 1101330, 1174752, 1256040, 1468440, 1674720, 1762128, 1957920, 2202660, 2512080, 2936880, 3524256, 4405320, 4743877, 5024160, 5873760, 8810640, 9487754, 14231631, 17621280, 18975508, 23719385, 28463262, 37951016, 42694893, 47438770, 56926524, 71158155, 75902032, 85389786, 94877540, 113853048, 128084679, 142316310, 151804064, 170779572, 189755080, 213474465, 227706096, 256169358, 284632620, 341559144, 379510160, 426948930, 455412192, 512338716, 569265240, 640423395, 683118288, 759020320, 853897860, 1024677432, 1138530480, 1280846790, 1366236576, 1707795720, 2049354864, 2277060960, 2561693580, 3415591440, 4098709728, 5123387160, 6831182880, 10246774320, 20493548640]

約数ペア:

[(1, 20493548640), (2, 10246774320), (3, 6831182880), (4, 5123387160), (5, 4098709728), (6, 3415591440), (8, 2561693580), (9, 2277060960), (10, 2049354864), (12, 1707795720), (15, 1366236576), (16, 1280846790), (18, 1138530480), (20, 1024677432), (24, 853897860), (27, 759020320), (30, 683118288), (32, 640423395), (36, 569265240), (40, 512338716), (45, 455412192), (48, 426948930), (54, 379510160), (60, 341559144), (72, 284632620), (80, 256169358), (90, 227706096), (96, 213474465), (108, 189755080), (120, 170779572), (135, 151804064), (144, 142316310), (160, 128084679), (180, 113853048), (216, 94877540), (240, 85389786), (270, 75902032), (288, 71158155), (360, 56926524), (432, 47438770), (480, 42694893), (540, 37951016), (720, 28463262), (864, 23719385), (1080, 18975508), (1163, 17621280), (1440, 14231631), (2160, 9487754), (2326, 8810640), (3489, 5873760), (4079, 5024160), (4320, 4743877), (4652, 4405320), (5815, 3524256), (6978, 2936880), (8158, 2512080), (9304, 2202660), (10467, 1957920), (11630, 1762128), (12237, 1674720), (13956, 1468440), (16316, 1256040), (17445, 1174752), (18608, 1101330), (20395, 1004832), (20934, 978960), (23260, 881064), (24474, 837360), (27912, 734220), (31401, 652640), (32632, 628020), (34890, 587376), (36711, 558240), (37216, 550665), (40790, 502416), (41868, 489480), (46520, 440532), (48948, 418680), (52335, 391584), (55824, 367110), (61185, 334944), (62802, 326320), (65264, 314010), (69780, 293688), (73422, 279120), (81580, 251208), (83736, 244740), (93040, 220266), (97896, 209340), (104670, 195792), (110133, 186080), (111648, 183555), (122370, 167472), (125604, 163160), (130528, 157005), (139560, 146844)]