280030680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{777863}}^1$

素因数の和:777880

約数の個数: 48

約数和(自身を含む): 910100880

約数和(自身を除く): 630070200

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, 777863, 1555726, 2333589, 3111452, 3889315, 4667178, 6222904, 7000767, 7778630, 9334356, 11667945, 14001534, 15557260, 18668712, 23335890, 28003068, 31114520, 35003835, 46671780, 56006136, 70007670, 93343560, 140015340, 280030680]

約数ペア:

[(1, 280030680), (2, 140015340), (3, 93343560), (4, 70007670), (5, 56006136), (6, 46671780), (8, 35003835), (9, 31114520), (10, 28003068), (12, 23335890), (15, 18668712), (18, 15557260), (20, 14001534), (24, 11667945), (30, 9334356), (36, 7778630), (40, 7000767), (45, 6222904), (60, 4667178), (72, 3889315), (90, 3111452), (120, 2333589), (180, 1555726), (360, 777863)]