256408128

素因数分解:

$2^6\times 3^2\times {\mathrm{163}}^1\times {\mathrm{2731}}^1$

素因数の和:2912

約数の個数: 84

約数和(自身を含む): 739727248

約数和(自身を除く): 483319120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 163, 192, 288, 326, 489, 576, 652, 978, 1304, 1467, 1956, 2608, 2731, 2934, 3912, 5216, 5462, 5868, 7824, 8193, 10432, 10924, 11736, 15648, 16386, 21848, 23472, 24579, 31296, 32772, 43696, 46944, 49158, 65544, 87392, 93888, 98316, 131088, 174784, 196632, 262176, 393264, 445153, 524352, 786528, 890306, 1335459, 1573056, 1780612, 2670918, 3561224, 4006377, 5341836, 7122448, 8012754, 10683672, 14244896, 16025508, 21367344, 28489792, 32051016, 42734688, 64102032, 85469376, 128204064, 256408128]

約数ペア:

[(1, 256408128), (2, 128204064), (3, 85469376), (4, 64102032), (6, 42734688), (8, 32051016), (9, 28489792), (12, 21367344), (16, 16025508), (18, 14244896), (24, 10683672), (32, 8012754), (36, 7122448), (48, 5341836), (64, 4006377), (72, 3561224), (96, 2670918), (144, 1780612), (163, 1573056), (192, 1335459), (288, 890306), (326, 786528), (489, 524352), (576, 445153), (652, 393264), (978, 262176), (1304, 196632), (1467, 174784), (1956, 131088), (2608, 98316), (2731, 93888), (2934, 87392), (3912, 65544), (5216, 49158), (5462, 46944), (5868, 43696), (7824, 32772), (8193, 31296), (10432, 24579), (10924, 23472), (11736, 21848), (15648, 16386)]