120540640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68489}}^1$

素因数の和:68515

約数の個数: 48

約数和(自身を含む): 310670640

約数和(自身を除く): 190130000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 68489, 136978, 273956, 342445, 547912, 684890, 753379, 1095824, 1369780, 1506758, 2191648, 2739560, 3013516, 3766895, 5479120, 6027032, 7533790, 10958240, 12054064, 15067580, 24108128, 30135160, 60270320, 120540640]

約数ペア:

[(1, 120540640), (2, 60270320), (4, 30135160), (5, 24108128), (8, 15067580), (10, 12054064), (11, 10958240), (16, 7533790), (20, 6027032), (22, 5479120), (32, 3766895), (40, 3013516), (44, 2739560), (55, 2191648), (80, 1506758), (88, 1369780), (110, 1095824), (160, 753379), (176, 684890), (220, 547912), (352, 342445), (440, 273956), (880, 136978), (1760, 68489)]