66332840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 171452160

約数和(自身を除く): 105119320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 983, 1205, 1687, 1928, 1966, 2410, 3374, 3932, 4820, 4915, 6748, 6881, 7864, 8435, 9640, 9830, 13496, 13762, 16870, 19660, 27524, 33740, 34405, 39320, 55048, 67480, 68810, 137620, 236903, 275240, 473806, 947612, 1184515, 1658321, 1895224, 2369030, 3316642, 4738060, 6633284, 8291605, 9476120, 13266568, 16583210, 33166420, 66332840]

約数ペア:

[(1, 66332840), (2, 33166420), (4, 16583210), (5, 13266568), (7, 9476120), (8, 8291605), (10, 6633284), (14, 4738060), (20, 3316642), (28, 2369030), (35, 1895224), (40, 1658321), (56, 1184515), (70, 947612), (140, 473806), (241, 275240), (280, 236903), (482, 137620), (964, 68810), (983, 67480), (1205, 55048), (1687, 39320), (1928, 34405), (1966, 33740), (2410, 27524), (3374, 19660), (3932, 16870), (4820, 13762), (4915, 13496), (6748, 9830), (6881, 9640), (7864, 8435)]