63654640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 170292672

約数和(自身を除く): 106638032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 577, 788, 985, 1154, 1379, 1576, 1970, 2308, 2758, 2885, 3152, 3940, 4039, 4616, 5516, 5770, 6895, 7880, 8078, 9232, 11032, 11540, 13790, 15760, 16156, 20195, 22064, 23080, 27580, 32312, 40390, 46160, 55160, 64624, 80780, 110320, 113669, 161560, 227338, 323120, 454676, 568345, 795683, 909352, 1136690, 1591366, 1818704, 2273380, 3182732, 3978415, 4546760, 6365464, 7956830, 9093520, 12730928, 15913660, 31827320, 63654640]

約数ペア:

[(1, 63654640), (2, 31827320), (4, 15913660), (5, 12730928), (7, 9093520), (8, 7956830), (10, 6365464), (14, 4546760), (16, 3978415), (20, 3182732), (28, 2273380), (35, 1818704), (40, 1591366), (56, 1136690), (70, 909352), (80, 795683), (112, 568345), (140, 454676), (197, 323120), (280, 227338), (394, 161560), (560, 113669), (577, 110320), (788, 80780), (985, 64624), (1154, 55160), (1379, 46160), (1576, 40390), (1970, 32312), (2308, 27580), (2758, 23080), (2885, 22064), (3152, 20195), (3940, 16156), (4039, 15760), (4616, 13790), (5516, 11540), (5770, 11032), (6895, 9232), (7880, 8078)]