1272780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2357}}^1$

素因数の和:2375

約数の個数: 48

約数和(自身を含む): 3961440

約数和(自身を除く): 2688660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2357, 4714, 7071, 9428, 11785, 14142, 21213, 23570, 28284, 35355, 42426, 47140, 63639, 70710, 84852, 106065, 127278, 141420, 212130, 254556, 318195, 424260, 636390, 1272780]

約数ペア:

[(1, 1272780), (2, 636390), (3, 424260), (4, 318195), (5, 254556), (6, 212130), (9, 141420), (10, 127278), (12, 106065), (15, 84852), (18, 70710), (20, 63639), (27, 47140), (30, 42426), (36, 35355), (45, 28284), (54, 23570), (60, 21213), (90, 14142), (108, 11785), (135, 9428), (180, 7071), (270, 4714), (540, 2357)]