720894420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2417}}^1$

素因数の和:4089

約数の個数: 72

約数和(自身を含む): 2188938024

約数和(自身を除く): 1468043604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1657, 2417, 3314, 4834, 4971, 6628, 7251, 8285, 9668, 9942, 12085, 14502, 14913, 16570, 19884, 21753, 24170, 24855, 29004, 29826, 33140, 36255, 43506, 48340, 49710, 59652, 72510, 74565, 87012, 99420, 108765, 145020, 149130, 217530, 298260, 435060, 4004969, 8009938, 12014907, 16019876, 20024845, 24029814, 36044721, 40049690, 48059628, 60074535, 72089442, 80099380, 120149070, 144178884, 180223605, 240298140, 360447210, 720894420]

約数ペア:

[(1, 720894420), (2, 360447210), (3, 240298140), (4, 180223605), (5, 144178884), (6, 120149070), (9, 80099380), (10, 72089442), (12, 60074535), (15, 48059628), (18, 40049690), (20, 36044721), (30, 24029814), (36, 20024845), (45, 16019876), (60, 12014907), (90, 8009938), (180, 4004969), (1657, 435060), (2417, 298260), (3314, 217530), (4834, 149130), (4971, 145020), (6628, 108765), (7251, 99420), (8285, 87012), (9668, 74565), (9942, 72510), (12085, 59652), (14502, 49710), (14913, 48340), (16570, 43506), (19884, 36255), (21753, 33140), (24170, 29826), (24855, 29004)]