2580452840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{116657}}^1$

素因数の和:116754

約数の個数: 64

約数和(自身を含む): 6719500800

約数和(自身を除く): 4139047960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 22120, 116657, 233314, 466628, 583285, 816599, 933256, 1166570, 1633198, 2333140, 3266396, 4082995, 4666280, 6532792, 8165990, 9215903, 16331980, 18431806, 32663960, 36863612, 46079515, 64511321, 73727224, 92159030, 129022642, 184318060, 258045284, 322556605, 368636120, 516090568, 645113210, 1290226420, 2580452840]

約数ペア:

[(1, 2580452840), (2, 1290226420), (4, 645113210), (5, 516090568), (7, 368636120), (8, 322556605), (10, 258045284), (14, 184318060), (20, 129022642), (28, 92159030), (35, 73727224), (40, 64511321), (56, 46079515), (70, 36863612), (79, 32663960), (140, 18431806), (158, 16331980), (280, 9215903), (316, 8165990), (395, 6532792), (553, 4666280), (632, 4082995), (790, 3266396), (1106, 2333140), (1580, 1633198), (2212, 1166570), (2765, 933256), (3160, 816599), (4424, 583285), (5530, 466628), (11060, 233314), (22120, 116657)]