631120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 80

約数和(自身を含む): 1785600

約数和(自身を除く): 1154480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 368, 392, 460, 490, 560, 644, 686, 784, 805, 920, 980, 1127, 1288, 1372, 1610, 1715, 1840, 1960, 2254, 2576, 2744, 3220, 3430, 3920, 4508, 5488, 5635, 6440, 6860, 7889, 9016, 11270, 12880, 13720, 15778, 18032, 22540, 27440, 31556, 39445, 45080, 63112, 78890, 90160, 126224, 157780, 315560, 631120]

約数ペア:

[(1, 631120), (2, 315560), (4, 157780), (5, 126224), (7, 90160), (8, 78890), (10, 63112), (14, 45080), (16, 39445), (20, 31556), (23, 27440), (28, 22540), (35, 18032), (40, 15778), (46, 13720), (49, 12880), (56, 11270), (70, 9016), (80, 7889), (92, 6860), (98, 6440), (112, 5635), (115, 5488), (140, 4508), (161, 3920), (184, 3430), (196, 3220), (230, 2744), (245, 2576), (280, 2254), (322, 1960), (343, 1840), (368, 1715), (392, 1610), (460, 1372), (490, 1288), (560, 1127), (644, 980), (686, 920), (784, 805)]