20164576960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{787}}^1$

素因数の和:1095

約数の個数: 224

約数和(自身を含む): 54473368320

約数和(自身を除く): 34308791360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 145, 160, 176, 220, 232, 251, 290, 319, 320, 352, 440, 464, 502, 580, 638, 704, 787, 880, 928, 1004, 1160, 1255, 1276, 1574, 1595, 1760, 1856, 2008, 2320, 2510, 2552, 2761, 3148, 3190, 3520, 3935, 4016, 4640, 5020, 5104, 5522, 6296, 6380, 7279, 7870, 8032, 8657, 9280, 10040, 10208, 11044, 12592, 12760, 13805, 14558, 15740, 16064, 17314, 20080, 20416, 22088, 22823, 25184, 25520, 27610, 29116, 31480, 34628, 36395, 40160, 43285, 44176, 45646, 50368, 51040, 55220, 58232, 62960, 69256, 72790, 80069, 80320, 86570, 88352, 91292, 102080, 110440, 114115, 116464, 125920, 138512, 145580, 160138, 173140, 176704, 182584, 197537, 220880, 228230, 232928, 251053, 251840, 277024, 291160, 320276, 346280, 365168, 395074, 400345, 441760, 456460, 465856, 502106, 554048, 582320, 640552, 692560, 730336, 790148, 800690, 883520, 912920, 987685, 1004212, 1164640, 1255265, 1281104, 1385120, 1460672, 1580296, 1601380, 1825840, 1975370, 2008424, 2172907, 2329280, 2510530, 2562208, 2770240, 3160592, 3202760, 3651680, 3950740, 4016848, 4345814, 5021060, 5124416, 5728573, 6321184, 6405520, 7303360, 7901480, 8033696, 8691628, 10042120, 10864535, 11457146, 12642368, 12811040, 15802960, 16067392, 17383256, 20084240, 21729070, 22914292, 25622080, 28642865, 31605920, 34766512, 40168480, 43458140, 45828584, 57285730, 63014303, 63211840, 69533024, 80336960, 86916280, 91657168, 114571460, 126028606, 139066048, 173832560, 183314336, 229142920, 252057212, 315071515, 347665120, 366628672, 458285840, 504114424, 630143030, 695330240, 916571680, 1008228848, 1260286060, 1833143360, 2016457696, 2520572120, 4032915392, 5041144240, 10082288480, 20164576960]

約数ペア:

[(1, 20164576960), (2, 10082288480), (4, 5041144240), (5, 4032915392), (8, 2520572120), (10, 2016457696), (11, 1833143360), (16, 1260286060), (20, 1008228848), (22, 916571680), (29, 695330240), (32, 630143030), (40, 504114424), (44, 458285840), (55, 366628672), (58, 347665120), (64, 315071515), (80, 252057212), (88, 229142920), (110, 183314336), (116, 173832560), (145, 139066048), (160, 126028606), (176, 114571460), (220, 91657168), (232, 86916280), (251, 80336960), (290, 69533024), (319, 63211840), (320, 63014303), (352, 57285730), (440, 45828584), (464, 43458140), (502, 40168480), (580, 34766512), (638, 31605920), (704, 28642865), (787, 25622080), (880, 22914292), (928, 21729070), (1004, 20084240), (1160, 17383256), (1255, 16067392), (1276, 15802960), (1574, 12811040), (1595, 12642368), (1760, 11457146), (1856, 10864535), (2008, 10042120), (2320, 8691628), (2510, 8033696), (2552, 7901480), (2761, 7303360), (3148, 6405520), (3190, 6321184), (3520, 5728573), (3935, 5124416), (4016, 5021060), (4640, 4345814), (5020, 4016848), (5104, 3950740), (5522, 3651680), (6296, 3202760), (6380, 3160592), (7279, 2770240), (7870, 2562208), (8032, 2510530), (8657, 2329280), (9280, 2172907), (10040, 2008424), (10208, 1975370), (11044, 1825840), (12592, 1601380), (12760, 1580296), (13805, 1460672), (14558, 1385120), (15740, 1281104), (16064, 1255265), (17314, 1164640), (20080, 1004212), (20416, 987685), (22088, 912920), (22823, 883520), (25184, 800690), (25520, 790148), (27610, 730336), (29116, 692560), (31480, 640552), (34628, 582320), (36395, 554048), (40160, 502106), (43285, 465856), (44176, 456460), (45646, 441760), (50368, 400345), (51040, 395074), (55220, 365168), (58232, 346280), (62960, 320276), (69256, 291160), (72790, 277024), (80069, 251840), (80320, 251053), (86570, 232928), (88352, 228230), (91292, 220880), (102080, 197537), (110440, 182584), (114115, 176704), (116464, 173140), (125920, 160138), (138512, 145580)]