78769620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1831}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 240065280

約数和(自身を除く): 161295660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1831, 2151, 2390, 2868, 3585, 3662, 4302, 4780, 5493, 7170, 7324, 8604, 9155, 10755, 10986, 14340, 16479, 18310, 21510, 21972, 27465, 32958, 36620, 43020, 54930, 65916, 82395, 109860, 164790, 329580, 437609, 875218, 1312827, 1750436, 2188045, 2625654, 3938481, 4376090, 5251308, 6564135, 7876962, 8752180, 13128270, 15753924, 19692405, 26256540, 39384810, 78769620]

約数ペア:

[(1, 78769620), (2, 39384810), (3, 26256540), (4, 19692405), (5, 15753924), (6, 13128270), (9, 8752180), (10, 7876962), (12, 6564135), (15, 5251308), (18, 4376090), (20, 3938481), (30, 2625654), (36, 2188045), (45, 1750436), (60, 1312827), (90, 875218), (180, 437609), (239, 329580), (478, 164790), (717, 109860), (956, 82395), (1195, 65916), (1434, 54930), (1831, 43020), (2151, 36620), (2390, 32958), (2868, 27465), (3585, 21972), (3662, 21510), (4302, 18310), (4780, 16479), (5493, 14340), (7170, 10986), (7324, 10755), (8604, 9155)]