1977291180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{42743}}^1$

素因数の和:43015

約数の個数: 72

約数和(自身を含む): 6021261792

約数和(自身を除く): 4043970612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 42743, 46260, 85486, 128229, 170972, 213715, 256458, 384687, 427430, 512916, 641145, 769374, 854860, 1282290, 1538748, 1923435, 2564580, 3846870, 7693740, 10984951, 21969902, 32954853, 43939804, 54924755, 65909706, 98864559, 109849510, 131819412, 164774265, 197729118, 219699020, 329548530, 395458236, 494322795, 659097060, 988645590, 1977291180]

約数ペア:

[(1, 1977291180), (2, 988645590), (3, 659097060), (4, 494322795), (5, 395458236), (6, 329548530), (9, 219699020), (10, 197729118), (12, 164774265), (15, 131819412), (18, 109849510), (20, 98864559), (30, 65909706), (36, 54924755), (45, 43939804), (60, 32954853), (90, 21969902), (180, 10984951), (257, 7693740), (514, 3846870), (771, 2564580), (1028, 1923435), (1285, 1538748), (1542, 1282290), (2313, 854860), (2570, 769374), (3084, 641145), (3855, 512916), (4626, 427430), (5140, 384687), (7710, 256458), (9252, 213715), (11565, 170972), (15420, 128229), (23130, 85486), (42743, 46260)]