81570150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1790

約数の個数: 72

約数和(自身を含む): 221295360

約数和(自身を除く): 139725210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 109, 150, 218, 225, 327, 450, 545, 654, 981, 1090, 1635, 1663, 1962, 2725, 3270, 3326, 4905, 4989, 5450, 8175, 8315, 9810, 9978, 14967, 16350, 16630, 24525, 24945, 29934, 41575, 49050, 49890, 74835, 83150, 124725, 149670, 181267, 249450, 362534, 374175, 543801, 748350, 906335, 1087602, 1631403, 1812670, 2719005, 3262806, 4531675, 5438010, 8157015, 9063350, 13595025, 16314030, 27190050, 40785075, 81570150]

約数ペア:

[(1, 81570150), (2, 40785075), (3, 27190050), (5, 16314030), (6, 13595025), (9, 9063350), (10, 8157015), (15, 5438010), (18, 4531675), (25, 3262806), (30, 2719005), (45, 1812670), (50, 1631403), (75, 1087602), (90, 906335), (109, 748350), (150, 543801), (218, 374175), (225, 362534), (327, 249450), (450, 181267), (545, 149670), (654, 124725), (981, 83150), (1090, 74835), (1635, 49890), (1663, 49050), (1962, 41575), (2725, 29934), (3270, 24945), (3326, 24525), (4905, 16630), (4989, 16350), (5450, 14967), (8175, 9978), (8315, 9810)]