256374432

素因数分解:

$2^5\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1559}}^1$

素因数の和:2146

約数の個数: 72

約数和(自身を含む): 730810080

約数和(自身を除く): 474435648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 571, 1142, 1559, 1713, 2284, 3118, 3426, 4568, 4677, 5139, 6236, 6852, 9136, 9354, 10278, 12472, 13704, 14031, 18272, 18708, 20556, 24944, 27408, 28062, 37416, 41112, 49888, 54816, 56124, 74832, 82224, 112248, 149664, 164448, 224496, 448992, 890189, 1780378, 2670567, 3560756, 5341134, 7121512, 8011701, 10682268, 14243024, 16023402, 21364536, 28486048, 32046804, 42729072, 64093608, 85458144, 128187216, 256374432]

約数ペア:

[(1, 256374432), (2, 128187216), (3, 85458144), (4, 64093608), (6, 42729072), (8, 32046804), (9, 28486048), (12, 21364536), (16, 16023402), (18, 14243024), (24, 10682268), (32, 8011701), (36, 7121512), (48, 5341134), (72, 3560756), (96, 2670567), (144, 1780378), (288, 890189), (571, 448992), (1142, 224496), (1559, 164448), (1713, 149664), (2284, 112248), (3118, 82224), (3426, 74832), (4568, 56124), (4677, 54816), (5139, 49888), (6236, 41112), (6852, 37416), (9136, 28062), (9354, 27408), (10278, 24944), (12472, 20556), (13704, 18708), (14031, 18272)]