257774940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{477361}}^1$

素因数の和:477379

約数の個数: 48

約数和(自身を含む): 801968160

約数和(自身を除く): 544193220

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, 477361, 954722, 1432083, 1909444, 2386805, 2864166, 4296249, 4773610, 5728332, 7160415, 8592498, 9547220, 12888747, 14320830, 17184996, 21481245, 25777494, 28641660, 42962490, 51554988, 64443735, 85924980, 128887470, 257774940]

約数ペア:

[(1, 257774940), (2, 128887470), (3, 85924980), (4, 64443735), (5, 51554988), (6, 42962490), (9, 28641660), (10, 25777494), (12, 21481245), (15, 17184996), (18, 14320830), (20, 12888747), (27, 9547220), (30, 8592498), (36, 7160415), (45, 5728332), (54, 4773610), (60, 4296249), (90, 2864166), (108, 2386805), (135, 1909444), (180, 1432083), (270, 954722), (540, 477361)]