139903560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{388621}}^1$

素因数の和:388638

約数の個数: 48

約数和(自身を含む): 454687740

約数和(自身を除く): 314784180

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, 388621, 777242, 1165863, 1554484, 1943105, 2331726, 3108968, 3497589, 3886210, 4663452, 5829315, 6995178, 7772420, 9326904, 11658630, 13990356, 15544840, 17487945, 23317260, 27980712, 34975890, 46634520, 69951780, 139903560]

約数ペア:

[(1, 139903560), (2, 69951780), (3, 46634520), (4, 34975890), (5, 27980712), (6, 23317260), (8, 17487945), (9, 15544840), (10, 13990356), (12, 11658630), (15, 9326904), (18, 7772420), (20, 6995178), (24, 5829315), (30, 4663452), (36, 3886210), (40, 3497589), (45, 3108968), (60, 2331726), (72, 1943105), (90, 1554484), (120, 1165863), (180, 777242), (360, 388621)]