42142020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 123432960

約数和(自身を除く): 81290940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 139, 155, 163, 186, 278, 310, 326, 372, 417, 465, 489, 556, 620, 652, 695, 815, 834, 930, 978, 1390, 1630, 1668, 1860, 1956, 2085, 2445, 2780, 3260, 4170, 4309, 4890, 5053, 8340, 8618, 9780, 10106, 12927, 15159, 17236, 20212, 21545, 22657, 25265, 25854, 30318, 43090, 45314, 50530, 51708, 60636, 64635, 67971, 75795, 86180, 90628, 101060, 113285, 129270, 135942, 151590, 226570, 258540, 271884, 303180, 339855, 453140, 679710, 702367, 1359420, 1404734, 2107101, 2809468, 3511835, 4214202, 7023670, 8428404, 10535505, 14047340, 21071010, 42142020]

約数ペア:

[(1, 42142020), (2, 21071010), (3, 14047340), (4, 10535505), (5, 8428404), (6, 7023670), (10, 4214202), (12, 3511835), (15, 2809468), (20, 2107101), (30, 1404734), (31, 1359420), (60, 702367), (62, 679710), (93, 453140), (124, 339855), (139, 303180), (155, 271884), (163, 258540), (186, 226570), (278, 151590), (310, 135942), (326, 129270), (372, 113285), (417, 101060), (465, 90628), (489, 86180), (556, 75795), (620, 67971), (652, 64635), (695, 60636), (815, 51708), (834, 50530), (930, 45314), (978, 43090), (1390, 30318), (1630, 25854), (1668, 25265), (1860, 22657), (1956, 21545), (2085, 20212), (2445, 17236), (2780, 15159), (3260, 12927), (4170, 10106), (4309, 9780), (4890, 8618), (5053, 8340)]