280614816

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{20731}}^1$

素因数の和:20794

約数の個数: 72

約数和(自身を含む): 815016384

約数和(自身を除く): 534401568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1692, 2256, 3384, 4512, 6768, 13536, 20731, 41462, 62193, 82924, 124386, 165848, 186579, 248772, 331696, 373158, 497544, 663392, 746316, 974357, 995088, 1492632, 1948714, 1990176, 2923071, 2985264, 3897428, 5846142, 5970528, 7794856, 8769213, 11692284, 15589712, 17538426, 23384568, 31179424, 35076852, 46769136, 70153704, 93538272, 140307408, 280614816]

約数ペア:

[(1, 280614816), (2, 140307408), (3, 93538272), (4, 70153704), (6, 46769136), (8, 35076852), (9, 31179424), (12, 23384568), (16, 17538426), (18, 15589712), (24, 11692284), (32, 8769213), (36, 7794856), (47, 5970528), (48, 5846142), (72, 3897428), (94, 2985264), (96, 2923071), (141, 1990176), (144, 1948714), (188, 1492632), (282, 995088), (288, 974357), (376, 746316), (423, 663392), (564, 497544), (752, 373158), (846, 331696), (1128, 248772), (1504, 186579), (1692, 165848), (2256, 124386), (3384, 82924), (4512, 62193), (6768, 41462), (13536, 20731)]