315560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 64

約数和(自身を含む): 864000

約数和(自身を除く): 548440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 644, 686, 805, 920, 980, 1127, 1288, 1372, 1610, 1715, 1960, 2254, 2744, 3220, 3430, 4508, 5635, 6440, 6860, 7889, 9016, 11270, 13720, 15778, 22540, 31556, 39445, 45080, 63112, 78890, 157780, 315560]

約数ペア:

[(1, 315560), (2, 157780), (4, 78890), (5, 63112), (7, 45080), (8, 39445), (10, 31556), (14, 22540), (20, 15778), (23, 13720), (28, 11270), (35, 9016), (40, 7889), (46, 6860), (49, 6440), (56, 5635), (70, 4508), (92, 3430), (98, 3220), (115, 2744), (140, 2254), (161, 1960), (184, 1715), (196, 1610), (230, 1372), (245, 1288), (280, 1127), (322, 980), (343, 920), (392, 805), (460, 686), (490, 644)]