660680832

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{245789}}^1$

素因数の和:245813

約数の個数: 64

約数和(自身を含む): 2005646400

約数和(自身を除く): 1344965568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 245789, 491578, 737367, 983156, 1474734, 1720523, 1966312, 2949468, 3441046, 3932624, 5161569, 5898936, 6882092, 7865248, 10323138, 11797872, 13764184, 15730496, 20646276, 23595744, 27528368, 31460992, 41292552, 47191488, 55056736, 82585104, 94382976, 110113472, 165170208, 220226944, 330340416, 660680832]

約数ペア:

[(1, 660680832), (2, 330340416), (3, 220226944), (4, 165170208), (6, 110113472), (7, 94382976), (8, 82585104), (12, 55056736), (14, 47191488), (16, 41292552), (21, 31460992), (24, 27528368), (28, 23595744), (32, 20646276), (42, 15730496), (48, 13764184), (56, 11797872), (64, 10323138), (84, 7865248), (96, 6882092), (112, 5898936), (128, 5161569), (168, 3932624), (192, 3441046), (224, 2949468), (336, 1966312), (384, 1720523), (448, 1474734), (672, 983156), (896, 737367), (1344, 491578), (2688, 245789)]