205684020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67217}}^1$

素因数の和:67249

約数の個数: 72

約数和(自身を含む): 660618504

約数和(自身を除く): 454934484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 67217, 134434, 201651, 268868, 336085, 403302, 604953, 672170, 806604, 1008255, 1142689, 1209906, 1344340, 2016510, 2285378, 2419812, 3024765, 3428067, 4033020, 4570756, 5713445, 6049530, 6856134, 10284201, 11426890, 12099060, 13712268, 17140335, 20568402, 22853780, 34280670, 41136804, 51421005, 68561340, 102842010, 205684020]

約数ペア:

[(1, 205684020), (2, 102842010), (3, 68561340), (4, 51421005), (5, 41136804), (6, 34280670), (9, 22853780), (10, 20568402), (12, 17140335), (15, 13712268), (17, 12099060), (18, 11426890), (20, 10284201), (30, 6856134), (34, 6049530), (36, 5713445), (45, 4570756), (51, 4033020), (60, 3428067), (68, 3024765), (85, 2419812), (90, 2285378), (102, 2016510), (153, 1344340), (170, 1209906), (180, 1142689), (204, 1008255), (255, 806604), (306, 672170), (340, 604953), (510, 403302), (612, 336085), (765, 268868), (1020, 201651), (1530, 134434), (3060, 67217)]