81297230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 180558720

約数和(自身を除く): 99261490

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 106, 119, 170, 238, 265, 371, 530, 595, 742, 901, 1190, 1289, 1802, 1855, 2578, 3710, 4505, 6307, 6445, 9010, 9023, 12614, 12890, 18046, 21913, 31535, 43826, 45115, 63070, 68317, 90230, 109565, 136634, 153391, 219130, 306782, 341585, 478219, 683170, 766955, 956438, 1161389, 1533910, 2322778, 2391095, 4782190, 5806945, 8129723, 11613890, 16259446, 40648615, 81297230]

約数ペア:

[(1, 81297230), (2, 40648615), (5, 16259446), (7, 11613890), (10, 8129723), (14, 5806945), (17, 4782190), (34, 2391095), (35, 2322778), (53, 1533910), (70, 1161389), (85, 956438), (106, 766955), (119, 683170), (170, 478219), (238, 341585), (265, 306782), (371, 219130), (530, 153391), (595, 136634), (742, 109565), (901, 90230), (1190, 68317), (1289, 63070), (1802, 45115), (1855, 43826), (2578, 31535), (3710, 21913), (4505, 18046), (6307, 12890), (6445, 12614), (9010, 9023)]