81384154960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{660157}}^1$

素因数の和:660260

約数の個数: 80

約数和(自身を含む): 200392281216

約数和(自身を除く): 119008126256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 184, 230, 268, 335, 368, 460, 536, 670, 920, 1072, 1340, 1541, 1840, 2680, 3082, 5360, 6164, 7705, 12328, 15410, 24656, 30820, 61640, 123280, 660157, 1320314, 2640628, 3300785, 5281256, 6601570, 10562512, 13203140, 15183611, 26406280, 30367222, 44230519, 52812560, 60734444, 75918055, 88461038, 121468888, 151836110, 176922076, 221152595, 242937776, 303672220, 353844152, 442305190, 607344440, 707688304, 884610380, 1017301937, 1214688880, 1769220760, 2034603874, 3538441520, 4069207748, 5086509685, 8138415496, 10173019370, 16276830992, 20346038740, 40692077480, 81384154960]

約数ペア:

[(1, 81384154960), (2, 40692077480), (4, 20346038740), (5, 16276830992), (8, 10173019370), (10, 8138415496), (16, 5086509685), (20, 4069207748), (23, 3538441520), (40, 2034603874), (46, 1769220760), (67, 1214688880), (80, 1017301937), (92, 884610380), (115, 707688304), (134, 607344440), (184, 442305190), (230, 353844152), (268, 303672220), (335, 242937776), (368, 221152595), (460, 176922076), (536, 151836110), (670, 121468888), (920, 88461038), (1072, 75918055), (1340, 60734444), (1541, 52812560), (1840, 44230519), (2680, 30367222), (3082, 26406280), (5360, 15183611), (6164, 13203140), (7705, 10562512), (12328, 6601570), (15410, 5281256), (24656, 3300785), (30820, 2640628), (61640, 1320314), (123280, 660157)]