81120210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 200216448

約数和(自身を除く): 119096238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 163, 265, 313, 318, 326, 489, 530, 626, 795, 815, 939, 978, 1565, 1590, 1630, 1878, 2445, 3130, 4695, 4890, 8639, 9390, 16589, 17278, 25917, 33178, 43195, 49767, 51019, 51834, 82945, 86390, 99534, 102038, 129585, 153057, 165890, 248835, 255095, 259170, 306114, 497670, 510190, 765285, 1530570, 2704007, 5408014, 8112021, 13520035, 16224042, 27040070, 40560105, 81120210]

約数ペア:

[(1, 81120210), (2, 40560105), (3, 27040070), (5, 16224042), (6, 13520035), (10, 8112021), (15, 5408014), (30, 2704007), (53, 1530570), (106, 765285), (159, 510190), (163, 497670), (265, 306114), (313, 259170), (318, 255095), (326, 248835), (489, 165890), (530, 153057), (626, 129585), (795, 102038), (815, 99534), (939, 86390), (978, 82945), (1565, 51834), (1590, 51019), (1630, 49767), (1878, 43195), (2445, 33178), (3130, 25917), (4695, 17278), (4890, 16589), (8639, 9390)]