78697980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16193}}^1$

素因数の和:16217

約数の個数: 72

約数和(自身を含む): 247573872

約数和(自身を除く): 168875892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16193, 32386, 48579, 64772, 80965, 97158, 145737, 161930, 194316, 242895, 291474, 323860, 437211, 485790, 582948, 728685, 874422, 971580, 1311633, 1457370, 1748844, 2186055, 2623266, 2914740, 3934899, 4372110, 5246532, 6558165, 7869798, 8744220, 13116330, 15739596, 19674495, 26232660, 39348990, 78697980]

約数ペア:

[(1, 78697980), (2, 39348990), (3, 26232660), (4, 19674495), (5, 15739596), (6, 13116330), (9, 8744220), (10, 7869798), (12, 6558165), (15, 5246532), (18, 4372110), (20, 3934899), (27, 2914740), (30, 2623266), (36, 2186055), (45, 1748844), (54, 1457370), (60, 1311633), (81, 971580), (90, 874422), (108, 728685), (135, 582948), (162, 485790), (180, 437211), (243, 323860), (270, 291474), (324, 242895), (405, 194316), (486, 161930), (540, 145737), (810, 97158), (972, 80965), (1215, 64772), (1620, 48579), (2430, 32386), (4860, 16193)]