20165154960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{67271}}^1$

素因数の和:68536

約数の個数: 80

約数和(自身を含む): 62562960000

約数和(自身を除く): 42397805040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1249, 2498, 3747, 4996, 6245, 7494, 9992, 12490, 14988, 18735, 19984, 24980, 29976, 37470, 49960, 59952, 67271, 74940, 99920, 134542, 149880, 201813, 269084, 299760, 336355, 403626, 538168, 672710, 807252, 1009065, 1076336, 1345420, 1614504, 2018130, 2690840, 3229008, 4036260, 5381680, 8072520, 16145040, 84021479, 168042958, 252064437, 336085916, 420107395, 504128874, 672171832, 840214790, 1008257748, 1260322185, 1344343664, 1680429580, 2016515496, 2520644370, 3360859160, 4033030992, 5041288740, 6721718320, 10082577480, 20165154960]

約数ペア:

[(1, 20165154960), (2, 10082577480), (3, 6721718320), (4, 5041288740), (5, 4033030992), (6, 3360859160), (8, 2520644370), (10, 2016515496), (12, 1680429580), (15, 1344343664), (16, 1260322185), (20, 1008257748), (24, 840214790), (30, 672171832), (40, 504128874), (48, 420107395), (60, 336085916), (80, 252064437), (120, 168042958), (240, 84021479), (1249, 16145040), (2498, 8072520), (3747, 5381680), (4996, 4036260), (6245, 3229008), (7494, 2690840), (9992, 2018130), (12490, 1614504), (14988, 1345420), (18735, 1076336), (19984, 1009065), (24980, 807252), (29976, 672710), (37470, 538168), (49960, 403626), (59952, 336355), (67271, 299760), (74940, 269084), (99920, 201813), (134542, 149880)]