65208920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{503}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 168376320

約数和(自身を除く): 103167400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463, 503, 926, 1006, 1852, 2012, 2315, 2515, 3241, 3521, 3704, 4024, 4630, 5030, 6482, 7042, 9260, 10060, 12964, 14084, 16205, 17605, 18520, 20120, 25928, 28168, 32410, 35210, 64820, 70420, 129640, 140840, 232889, 465778, 931556, 1164445, 1630223, 1863112, 2328890, 3260446, 4657780, 6520892, 8151115, 9315560, 13041784, 16302230, 32604460, 65208920]

約数ペア:

[(1, 65208920), (2, 32604460), (4, 16302230), (5, 13041784), (7, 9315560), (8, 8151115), (10, 6520892), (14, 4657780), (20, 3260446), (28, 2328890), (35, 1863112), (40, 1630223), (56, 1164445), (70, 931556), (140, 465778), (280, 232889), (463, 140840), (503, 129640), (926, 70420), (1006, 64820), (1852, 35210), (2012, 32410), (2315, 28168), (2515, 25928), (3241, 20120), (3521, 18520), (3704, 17605), (4024, 16205), (4630, 14084), (5030, 12964), (6482, 10060), (7042, 9260)]