20765345760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{208991}}^1$

素因数の和:209038

約数の個数: 192

約数和(自身を含む): 75839016960

約数和(自身を除く): 55073671200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 621, 690, 720, 736, 828, 864, 920, 1035, 1080, 1104, 1242, 1380, 1440, 1656, 1840, 2070, 2160, 2208, 2484, 2760, 3105, 3312, 3680, 4140, 4320, 4968, 5520, 6210, 6624, 8280, 9936, 11040, 12420, 16560, 19872, 24840, 33120, 49680, 99360, 208991, 417982, 626973, 835964, 1044955, 1253946, 1671928, 1880919, 2089910, 2507892, 3134865, 3343856, 3761838, 4179820, 4806793, 5015784, 5642757, 6269730, 6687712, 7523676, 8359640, 9404595, 9613586, 10031568, 11285514, 12539460, 14420379, 15047352, 16719280, 18809190, 19227172, 20063136, 22571028, 24033965, 25078920, 28213785, 28840758, 30094704, 33438560, 37618380, 38454344, 43261137, 45142056, 48067930, 50157840, 56427570, 57681516, 60189408, 72101895, 75236760, 76908688, 86522274, 90284112, 96135860, 100315680, 112855140, 115363032, 129783411, 144203790, 150473520, 153817376, 173044548, 180568224, 192271720, 216305685, 225710280, 230726064, 259566822, 288407580, 300947040, 346089096, 384543440, 432611370, 451420560, 461452128, 519133644, 576815160, 648917055, 692178192, 769086880, 865222740, 902841120, 1038267288, 1153630320, 1297834110, 1384356384, 1730445480, 2076534576, 2307260640, 2595668220, 3460890960, 4153069152, 5191336440, 6921781920, 10382672880, 20765345760]

約数ペア:

[(1, 20765345760), (2, 10382672880), (3, 6921781920), (4, 5191336440), (5, 4153069152), (6, 3460890960), (8, 2595668220), (9, 2307260640), (10, 2076534576), (12, 1730445480), (15, 1384356384), (16, 1297834110), (18, 1153630320), (20, 1038267288), (23, 902841120), (24, 865222740), (27, 769086880), (30, 692178192), (32, 648917055), (36, 576815160), (40, 519133644), (45, 461452128), (46, 451420560), (48, 432611370), (54, 384543440), (60, 346089096), (69, 300947040), (72, 288407580), (80, 259566822), (90, 230726064), (92, 225710280), (96, 216305685), (108, 192271720), (115, 180568224), (120, 173044548), (135, 153817376), (138, 150473520), (144, 144203790), (160, 129783411), (180, 115363032), (184, 112855140), (207, 100315680), (216, 96135860), (230, 90284112), (240, 86522274), (270, 76908688), (276, 75236760), (288, 72101895), (345, 60189408), (360, 57681516), (368, 56427570), (414, 50157840), (432, 48067930), (460, 45142056), (480, 43261137), (540, 38454344), (552, 37618380), (621, 33438560), (690, 30094704), (720, 28840758), (736, 28213785), (828, 25078920), (864, 24033965), (920, 22571028), (1035, 20063136), (1080, 19227172), (1104, 18809190), (1242, 16719280), (1380, 15047352), (1440, 14420379), (1656, 12539460), (1840, 11285514), (2070, 10031568), (2160, 9613586), (2208, 9404595), (2484, 8359640), (2760, 7523676), (3105, 6687712), (3312, 6269730), (3680, 5642757), (4140, 5015784), (4320, 4806793), (4968, 4179820), (5520, 3761838), (6210, 3343856), (6624, 3134865), (8280, 2507892), (9936, 2089910), (11040, 1880919), (12420, 1671928), (16560, 1253946), (19872, 1044955), (24840, 835964), (33120, 626973), (49680, 417982), (99360, 208991)]