206545140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42499}}^1$

素因数の和:42523

約数の個数: 72

約数和(自身を含む): 649740000

約数和(自身を除く): 443194860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42499, 84998, 127497, 169996, 212495, 254994, 382491, 424990, 509988, 637485, 764982, 849980, 1147473, 1274970, 1529964, 1912455, 2294946, 2549940, 3442419, 3824910, 4589892, 5737365, 6884838, 7649820, 10327257, 11474730, 13769676, 17212095, 20654514, 22949460, 34424190, 41309028, 51636285, 68848380, 103272570, 206545140]

約数ペア:

[(1, 206545140), (2, 103272570), (3, 68848380), (4, 51636285), (5, 41309028), (6, 34424190), (9, 22949460), (10, 20654514), (12, 17212095), (15, 13769676), (18, 11474730), (20, 10327257), (27, 7649820), (30, 6884838), (36, 5737365), (45, 4589892), (54, 3824910), (60, 3442419), (81, 2549940), (90, 2294946), (108, 1912455), (135, 1529964), (162, 1274970), (180, 1147473), (243, 849980), (270, 764982), (324, 637485), (405, 509988), (486, 424990), (540, 382491), (810, 254994), (972, 212495), (1215, 169996), (1620, 127497), (2430, 84998), (4860, 42499)]