81903540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 240065280

約数和(自身を除く): 158161740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 103, 116, 145, 174, 206, 290, 309, 348, 412, 435, 457, 515, 580, 618, 870, 914, 1030, 1236, 1371, 1545, 1740, 1828, 2060, 2285, 2742, 2987, 3090, 4570, 5484, 5974, 6180, 6855, 8961, 9140, 11948, 13253, 13710, 14935, 17922, 26506, 27420, 29870, 35844, 39759, 44805, 47071, 53012, 59740, 66265, 79518, 89610, 94142, 132530, 141213, 159036, 179220, 188284, 198795, 235355, 265060, 282426, 397590, 470710, 564852, 706065, 795180, 941420, 1365059, 1412130, 2730118, 2824260, 4095177, 5460236, 6825295, 8190354, 13650590, 16380708, 20475885, 27301180, 40951770, 81903540]

約数ペア:

[(1, 81903540), (2, 40951770), (3, 27301180), (4, 20475885), (5, 16380708), (6, 13650590), (10, 8190354), (12, 6825295), (15, 5460236), (20, 4095177), (29, 2824260), (30, 2730118), (58, 1412130), (60, 1365059), (87, 941420), (103, 795180), (116, 706065), (145, 564852), (174, 470710), (206, 397590), (290, 282426), (309, 265060), (348, 235355), (412, 198795), (435, 188284), (457, 179220), (515, 159036), (580, 141213), (618, 132530), (870, 94142), (914, 89610), (1030, 79518), (1236, 66265), (1371, 59740), (1545, 53012), (1740, 47071), (1828, 44805), (2060, 39759), (2285, 35844), (2742, 29870), (2987, 27420), (3090, 26506), (4570, 17922), (5484, 14935), (5974, 13710), (6180, 13253), (6855, 11948), (8961, 9140)]