195780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 592704

約数和(自身を除く): 396924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 251, 260, 390, 502, 753, 780, 1004, 1255, 1506, 2510, 3012, 3263, 3765, 5020, 6526, 7530, 9789, 13052, 15060, 16315, 19578, 32630, 39156, 48945, 65260, 97890, 195780]

約数ペア:

[(1, 195780), (2, 97890), (3, 65260), (4, 48945), (5, 39156), (6, 32630), (10, 19578), (12, 16315), (13, 15060), (15, 13052), (20, 9789), (26, 7530), (30, 6526), (39, 5020), (52, 3765), (60, 3263), (65, 3012), (78, 2510), (130, 1506), (156, 1255), (195, 1004), (251, 780), (260, 753), (390, 502)]