20177884560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{110479}}^1$

素因数の和:111256

約数の個数: 80

約数和(自身を含む): 62634205440

約数和(自身を除く): 42456320880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 761, 1522, 2283, 3044, 3805, 4566, 6088, 7610, 9132, 11415, 12176, 15220, 18264, 22830, 30440, 36528, 45660, 60880, 91320, 110479, 182640, 220958, 331437, 441916, 552395, 662874, 883832, 1104790, 1325748, 1657185, 1767664, 2209580, 2651496, 3314370, 4419160, 5302992, 6628740, 8838320, 13257480, 26514960, 84074519, 168149038, 252223557, 336298076, 420372595, 504447114, 672596152, 840745190, 1008894228, 1261117785, 1345192304, 1681490380, 2017788456, 2522235570, 3362980760, 4035576912, 5044471140, 6725961520, 10088942280, 20177884560]

約数ペア:

[(1, 20177884560), (2, 10088942280), (3, 6725961520), (4, 5044471140), (5, 4035576912), (6, 3362980760), (8, 2522235570), (10, 2017788456), (12, 1681490380), (15, 1345192304), (16, 1261117785), (20, 1008894228), (24, 840745190), (30, 672596152), (40, 504447114), (48, 420372595), (60, 336298076), (80, 252223557), (120, 168149038), (240, 84074519), (761, 26514960), (1522, 13257480), (2283, 8838320), (3044, 6628740), (3805, 5302992), (4566, 4419160), (6088, 3314370), (7610, 2651496), (9132, 2209580), (11415, 1767664), (12176, 1657185), (15220, 1325748), (18264, 1104790), (22830, 883832), (30440, 662874), (36528, 552395), (45660, 441916), (60880, 331437), (91320, 220958), (110479, 182640)]