7578540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 23351328

約数和(自身を除く): 15772788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 593, 639, 710, 852, 1065, 1186, 1278, 1420, 1779, 2130, 2372, 2556, 2965, 3195, 3558, 4260, 5337, 5930, 6390, 7116, 8895, 10674, 11860, 12780, 17790, 21348, 26685, 35580, 42103, 53370, 84206, 106740, 126309, 168412, 210515, 252618, 378927, 421030, 505236, 631545, 757854, 842060, 1263090, 1515708, 1894635, 2526180, 3789270, 7578540]

約数ペア:

[(1, 7578540), (2, 3789270), (3, 2526180), (4, 1894635), (5, 1515708), (6, 1263090), (9, 842060), (10, 757854), (12, 631545), (15, 505236), (18, 421030), (20, 378927), (30, 252618), (36, 210515), (45, 168412), (60, 126309), (71, 106740), (90, 84206), (142, 53370), (180, 42103), (213, 35580), (284, 26685), (355, 21348), (426, 17790), (593, 12780), (639, 11860), (710, 10674), (852, 8895), (1065, 7116), (1186, 6390), (1278, 5930), (1420, 5337), (1779, 4260), (2130, 3558), (2372, 3195), (2556, 2965)]