81697890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 201813120

約数和(自身を除く): 120115230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 101, 118, 177, 202, 295, 303, 354, 457, 505, 590, 606, 885, 914, 1010, 1371, 1515, 1770, 2285, 2742, 3030, 4570, 5959, 6855, 11918, 13710, 17877, 26963, 29795, 35754, 46157, 53926, 59590, 80889, 89385, 92314, 134815, 138471, 161778, 178770, 230785, 269630, 276942, 404445, 461570, 692355, 808890, 1384710, 2723263, 5446526, 8169789, 13616315, 16339578, 27232630, 40848945, 81697890]

約数ペア:

[(1, 81697890), (2, 40848945), (3, 27232630), (5, 16339578), (6, 13616315), (10, 8169789), (15, 5446526), (30, 2723263), (59, 1384710), (101, 808890), (118, 692355), (177, 461570), (202, 404445), (295, 276942), (303, 269630), (354, 230785), (457, 178770), (505, 161778), (590, 138471), (606, 134815), (885, 92314), (914, 89385), (1010, 80889), (1371, 59590), (1515, 53926), (1770, 46157), (2285, 35754), (2742, 29795), (3030, 26963), (4570, 17877), (5959, 13710), (6855, 11918)]