140767920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{195511}}^1$

素因数の和:195530

約数の個数: 60

約数和(自身を含む): 472748016

約数和(自身を除く): 331980096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 195511, 391022, 586533, 782044, 977555, 1173066, 1564088, 1759599, 1955110, 2346132, 2932665, 3128176, 3519198, 3910220, 4692264, 5865330, 7038396, 7820440, 8797995, 9384528, 11730660, 14076792, 15640880, 17595990, 23461320, 28153584, 35191980, 46922640, 70383960, 140767920]

約数ペア:

[(1, 140767920), (2, 70383960), (3, 46922640), (4, 35191980), (5, 28153584), (6, 23461320), (8, 17595990), (9, 15640880), (10, 14076792), (12, 11730660), (15, 9384528), (16, 8797995), (18, 7820440), (20, 7038396), (24, 5865330), (30, 4692264), (36, 3910220), (40, 3519198), (45, 3128176), (48, 2932665), (60, 2346132), (72, 1955110), (80, 1759599), (90, 1564088), (120, 1173066), (144, 977555), (180, 782044), (240, 586533), (360, 391022), (720, 195511)]