256783056

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 676915008

約数和(自身を除く): 420131952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 131, 194, 262, 291, 388, 393, 421, 524, 582, 776, 786, 842, 1048, 1164, 1263, 1552, 1572, 1684, 2096, 2328, 2526, 3144, 3368, 4656, 5052, 6288, 6736, 10104, 12707, 20208, 25414, 38121, 40837, 50828, 55151, 76242, 81674, 101656, 110302, 122511, 152484, 163348, 165453, 203312, 220604, 245022, 304968, 326696, 330906, 441208, 490044, 609936, 653392, 661812, 882416, 980088, 1323624, 1960176, 2647248, 5349647, 10699294, 16048941, 21398588, 32097882, 42797176, 64195764, 85594352, 128391528, 256783056]

約数ペア:

[(1, 256783056), (2, 128391528), (3, 85594352), (4, 64195764), (6, 42797176), (8, 32097882), (12, 21398588), (16, 16048941), (24, 10699294), (48, 5349647), (97, 2647248), (131, 1960176), (194, 1323624), (262, 980088), (291, 882416), (388, 661812), (393, 653392), (421, 609936), (524, 490044), (582, 441208), (776, 330906), (786, 326696), (842, 304968), (1048, 245022), (1164, 220604), (1263, 203312), (1552, 165453), (1572, 163348), (1684, 152484), (2096, 122511), (2328, 110302), (2526, 101656), (3144, 81674), (3368, 76242), (4656, 55151), (5052, 50828), (6288, 40837), (6736, 38121), (10104, 25414), (12707, 20208)]