827857520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2939}}^1$

素因数の和:3462

約数の個数: 80

約数和(自身を含む): 2204858880

約数和(自身を除く): 1377001360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 503, 560, 1006, 2012, 2515, 2939, 3521, 4024, 5030, 5878, 7042, 8048, 10060, 11756, 14084, 14695, 17605, 20120, 20573, 23512, 28168, 29390, 35210, 40240, 41146, 47024, 56336, 58780, 70420, 82292, 102865, 117560, 140840, 164584, 205730, 235120, 281680, 329168, 411460, 822920, 1478317, 1645840, 2956634, 5913268, 7391585, 10348219, 11826536, 14783170, 20696438, 23653072, 29566340, 41392876, 51741095, 59132680, 82785752, 103482190, 118265360, 165571504, 206964380, 413928760, 827857520]

約数ペア:

[(1, 827857520), (2, 413928760), (4, 206964380), (5, 165571504), (7, 118265360), (8, 103482190), (10, 82785752), (14, 59132680), (16, 51741095), (20, 41392876), (28, 29566340), (35, 23653072), (40, 20696438), (56, 14783170), (70, 11826536), (80, 10348219), (112, 7391585), (140, 5913268), (280, 2956634), (503, 1645840), (560, 1478317), (1006, 822920), (2012, 411460), (2515, 329168), (2939, 281680), (3521, 235120), (4024, 205730), (5030, 164584), (5878, 140840), (7042, 117560), (8048, 102865), (10060, 82292), (11756, 70420), (14084, 58780), (14695, 56336), (17605, 47024), (20120, 41146), (20573, 40240), (23512, 35210), (28168, 29390)]