80771320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4729}}^1$

素因数の和:4808

約数の個数: 64

約数和(自身を含む): 211147200

約数和(自身を除く): 130375880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4729, 8540, 9458, 17080, 18916, 23645, 33103, 37832, 47290, 66206, 94580, 132412, 165515, 189160, 264824, 288469, 331030, 576938, 662060, 1153876, 1324120, 1442345, 2019283, 2307752, 2884690, 4038566, 5769380, 8077132, 10096415, 11538760, 16154264, 20192830, 40385660, 80771320]

約数ペア:

[(1, 80771320), (2, 40385660), (4, 20192830), (5, 16154264), (7, 11538760), (8, 10096415), (10, 8077132), (14, 5769380), (20, 4038566), (28, 2884690), (35, 2307752), (40, 2019283), (56, 1442345), (61, 1324120), (70, 1153876), (122, 662060), (140, 576938), (244, 331030), (280, 288469), (305, 264824), (427, 189160), (488, 165515), (610, 132412), (854, 94580), (1220, 66206), (1708, 47290), (2135, 37832), (2440, 33103), (3416, 23645), (4270, 18916), (4729, 17080), (8540, 9458)]