81423312

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 221557248

約数和(自身を除く): 140133936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 131, 138, 184, 262, 276, 368, 393, 524, 552, 563, 786, 1048, 1104, 1126, 1572, 1689, 2096, 2252, 3013, 3144, 3378, 4504, 6026, 6288, 6756, 9008, 9039, 12052, 12949, 13512, 18078, 24104, 25898, 27024, 36156, 38847, 48208, 51796, 72312, 73753, 77694, 103592, 144624, 147506, 155388, 207184, 221259, 295012, 310776, 442518, 590024, 621552, 885036, 1180048, 1696319, 1770072, 3392638, 3540144, 5088957, 6785276, 10177914, 13570552, 20355828, 27141104, 40711656, 81423312]

約数ペア:

[(1, 81423312), (2, 40711656), (3, 27141104), (4, 20355828), (6, 13570552), (8, 10177914), (12, 6785276), (16, 5088957), (23, 3540144), (24, 3392638), (46, 1770072), (48, 1696319), (69, 1180048), (92, 885036), (131, 621552), (138, 590024), (184, 442518), (262, 310776), (276, 295012), (368, 221259), (393, 207184), (524, 155388), (552, 147506), (563, 144624), (786, 103592), (1048, 77694), (1104, 73753), (1126, 72312), (1572, 51796), (1689, 48208), (2096, 38847), (2252, 36156), (3013, 27024), (3144, 25898), (3378, 24104), (4504, 18078), (6026, 13512), (6288, 12949), (6756, 12052), (9008, 9039)]