255381228

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{163}}^2$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 673671600

約数和(自身を除く): 418290372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 163, 178, 267, 326, 356, 489, 534, 652, 801, 978, 1068, 1467, 1602, 1956, 2403, 2934, 3204, 4401, 4806, 5868, 8802, 9612, 14507, 17604, 26569, 29014, 43521, 53138, 58028, 79707, 87042, 106276, 130563, 159414, 174084, 239121, 261126, 318828, 391689, 478242, 522252, 717363, 783378, 956484, 1434726, 1566756, 2364641, 2869452, 4729282, 7093923, 9458564, 14187846, 21281769, 28375692, 42563538, 63845307, 85127076, 127690614, 255381228]

約数ペア:

[(1, 255381228), (2, 127690614), (3, 85127076), (4, 63845307), (6, 42563538), (9, 28375692), (12, 21281769), (18, 14187846), (27, 9458564), (36, 7093923), (54, 4729282), (89, 2869452), (108, 2364641), (163, 1566756), (178, 1434726), (267, 956484), (326, 783378), (356, 717363), (489, 522252), (534, 478242), (652, 391689), (801, 318828), (978, 261126), (1068, 239121), (1467, 174084), (1602, 159414), (1956, 130563), (2403, 106276), (2934, 87042), (3204, 79707), (4401, 58028), (4806, 53138), (5868, 43521), (8802, 29014), (9612, 26569), (14507, 17604)]