123990120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{344417}}^1$

素因数の和:344434

約数の個数: 48

約数和(自身を含む): 402969060

約数和(自身を除く): 278978940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 344417, 688834, 1033251, 1377668, 1722085, 2066502, 2755336, 3099753, 3444170, 4133004, 5166255, 6199506, 6888340, 8266008, 10332510, 12399012, 13776680, 15498765, 20665020, 24798024, 30997530, 41330040, 61995060, 123990120]

約数ペア:

[(1, 123990120), (2, 61995060), (3, 41330040), (4, 30997530), (5, 24798024), (6, 20665020), (8, 15498765), (9, 13776680), (10, 12399012), (12, 10332510), (15, 8266008), (18, 6888340), (20, 6199506), (24, 5166255), (30, 4133004), (36, 3444170), (40, 3099753), (45, 2755336), (60, 2066502), (72, 1722085), (90, 1377668), (120, 1033251), (180, 688834), (360, 344417)]