280264680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{778513}}^1$

素因数の和:778530

約数の個数: 48

約数和(自身を含む): 910861380

約数和(自身を除く): 630596700

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, 778513, 1557026, 2335539, 3114052, 3892565, 4671078, 6228104, 7006617, 7785130, 9342156, 11677695, 14013234, 15570260, 18684312, 23355390, 28026468, 31140520, 35033085, 46710780, 56052936, 70066170, 93421560, 140132340, 280264680]

約数ペア:

[(1, 280264680), (2, 140132340), (3, 93421560), (4, 70066170), (5, 56052936), (6, 46710780), (8, 35033085), (9, 31140520), (10, 28026468), (12, 23355390), (15, 18684312), (18, 15570260), (20, 14013234), (24, 11677695), (30, 9342156), (36, 7785130), (40, 7006617), (45, 6228104), (60, 4671078), (72, 3892565), (90, 3114052), (120, 2335539), (180, 1557026), (360, 778513)]