80701320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 278691840

約数和(自身を除く): 197990520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 503, 573, 764, 840, 955, 1006, 1146, 1337, 1509, 1528, 1910, 2012, 2292, 2515, 2674, 2865, 3018, 3521, 3820, 4011, 4024, 4584, 5030, 5348, 5730, 6036, 6685, 7042, 7545, 7640, 8022, 10060, 10563, 10696, 11460, 12072, 13370, 14084, 15090, 16044, 17605, 20055, 20120, 21126, 22920, 26740, 28168, 30180, 32088, 35210, 40110, 42252, 52815, 53480, 60360, 70420, 80220, 84504, 96073, 105630, 140840, 160440, 192146, 211260, 288219, 384292, 422520, 480365, 576438, 672511, 768584, 960730, 1152876, 1345022, 1441095, 1921460, 2017533, 2305752, 2690044, 2882190, 3362555, 3842920, 4035066, 5380088, 5764380, 6725110, 8070132, 10087665, 11528760, 13450220, 16140264, 20175330, 26900440, 40350660, 80701320]

約数ペア:

[(1, 80701320), (2, 40350660), (3, 26900440), (4, 20175330), (5, 16140264), (6, 13450220), (7, 11528760), (8, 10087665), (10, 8070132), (12, 6725110), (14, 5764380), (15, 5380088), (20, 4035066), (21, 3842920), (24, 3362555), (28, 2882190), (30, 2690044), (35, 2305752), (40, 2017533), (42, 1921460), (56, 1441095), (60, 1345022), (70, 1152876), (84, 960730), (105, 768584), (120, 672511), (140, 576438), (168, 480365), (191, 422520), (210, 384292), (280, 288219), (382, 211260), (420, 192146), (503, 160440), (573, 140840), (764, 105630), (840, 96073), (955, 84504), (1006, 80220), (1146, 70420), (1337, 60360), (1509, 53480), (1528, 52815), (1910, 42252), (2012, 40110), (2292, 35210), (2515, 32088), (2674, 30180), (2865, 28168), (3018, 26740), (3521, 22920), (3820, 21126), (4011, 20120), (4024, 20055), (4584, 17605), (5030, 16044), (5348, 15090), (5730, 14084), (6036, 13370), (6685, 12072), (7042, 11460), (7545, 10696), (7640, 10563), (8022, 10060)]