215015256

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 623462400

約数和(自身を除く): 408447144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 163, 186, 197, 216, 248, 279, 326, 372, 394, 489, 558, 591, 652, 744, 788, 837, 978, 1116, 1182, 1304, 1467, 1576, 1674, 1773, 1956, 2232, 2364, 2934, 3348, 3546, 3912, 4401, 4728, 5053, 5319, 5868, 6107, 6696, 7092, 8802, 10106, 10638, 11736, 12214, 14184, 15159, 17604, 18321, 20212, 21276, 24428, 30318, 32111, 35208, 36642, 40424, 42552, 45477, 48856, 54963, 60636, 64222, 73284, 90954, 96333, 109926, 121272, 128444, 136431, 146568, 164889, 181908, 192666, 219852, 256888, 272862, 288999, 329778, 363816, 385332, 439704, 545724, 577998, 659556, 770664, 866997, 995441, 1091448, 1155996, 1319112, 1733994, 1990882, 2311992, 2986323, 3467988, 3981764, 5972646, 6935976, 7963528, 8958969, 11945292, 17917938, 23890584, 26876907, 35835876, 53753814, 71671752, 107507628, 215015256]

約数ペア:

[(1, 215015256), (2, 107507628), (3, 71671752), (4, 53753814), (6, 35835876), (8, 26876907), (9, 23890584), (12, 17917938), (18, 11945292), (24, 8958969), (27, 7963528), (31, 6935976), (36, 5972646), (54, 3981764), (62, 3467988), (72, 2986323), (93, 2311992), (108, 1990882), (124, 1733994), (163, 1319112), (186, 1155996), (197, 1091448), (216, 995441), (248, 866997), (279, 770664), (326, 659556), (372, 577998), (394, 545724), (489, 439704), (558, 385332), (591, 363816), (652, 329778), (744, 288999), (788, 272862), (837, 256888), (978, 219852), (1116, 192666), (1182, 181908), (1304, 164889), (1467, 146568), (1576, 136431), (1674, 128444), (1773, 121272), (1956, 109926), (2232, 96333), (2364, 90954), (2934, 73284), (3348, 64222), (3546, 60636), (3912, 54963), (4401, 48856), (4728, 45477), (5053, 42552), (5319, 40424), (5868, 36642), (6107, 35208), (6696, 32111), (7092, 30318), (8802, 24428), (10106, 21276), (10638, 20212), (11736, 18321), (12214, 17604), (14184, 15159)]