23171120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 65647584

約数和(自身を除く): 42476464

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, 257, 280, 322, 368, 392, 460, 490, 514, 560, 644, 784, 805, 920, 980, 1028, 1127, 1285, 1288, 1610, 1799, 1840, 1960, 2056, 2254, 2570, 2576, 3220, 3598, 3920, 4112, 4508, 5140, 5635, 5911, 6440, 7196, 8995, 9016, 10280, 11270, 11822, 12593, 12880, 14392, 17990, 18032, 20560, 22540, 23644, 25186, 28784, 29555, 35980, 41377, 45080, 47288, 50372, 59110, 62965, 71960, 82754, 90160, 94576, 100744, 118220, 125930, 143920, 165508, 201488, 206885, 236440, 251860, 289639, 331016, 413770, 472880, 503720, 579278, 662032, 827540, 1007440, 1158556, 1448195, 1655080, 2317112, 2896390, 3310160, 4634224, 5792780, 11585560, 23171120]

約数ペア:

[(1, 23171120), (2, 11585560), (4, 5792780), (5, 4634224), (7, 3310160), (8, 2896390), (10, 2317112), (14, 1655080), (16, 1448195), (20, 1158556), (23, 1007440), (28, 827540), (35, 662032), (40, 579278), (46, 503720), (49, 472880), (56, 413770), (70, 331016), (80, 289639), (92, 251860), (98, 236440), (112, 206885), (115, 201488), (140, 165508), (161, 143920), (184, 125930), (196, 118220), (230, 100744), (245, 94576), (257, 90160), (280, 82754), (322, 71960), (368, 62965), (392, 59110), (460, 50372), (490, 47288), (514, 45080), (560, 41377), (644, 35980), (784, 29555), (805, 28784), (920, 25186), (980, 23644), (1028, 22540), (1127, 20560), (1285, 18032), (1288, 17990), (1610, 14392), (1799, 12880), (1840, 12593), (1960, 11822), (2056, 11270), (2254, 10280), (2570, 9016), (2576, 8995), (3220, 7196), (3598, 6440), (3920, 5911), (4112, 5635), (4508, 5140)]