30389220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{857}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 92756664

約数和(自身を除く): 62367444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 857, 985, 1182, 1714, 1773, 1970, 2364, 2571, 2955, 3428, 3546, 3940, 4285, 5142, 5910, 7092, 7713, 8570, 8865, 10284, 11820, 12855, 15426, 17140, 17730, 25710, 30852, 35460, 38565, 51420, 77130, 154260, 168829, 337658, 506487, 675316, 844145, 1012974, 1519461, 1688290, 2025948, 2532435, 3038922, 3376580, 5064870, 6077844, 7597305, 10129740, 15194610, 30389220]

約数ペア:

[(1, 30389220), (2, 15194610), (3, 10129740), (4, 7597305), (5, 6077844), (6, 5064870), (9, 3376580), (10, 3038922), (12, 2532435), (15, 2025948), (18, 1688290), (20, 1519461), (30, 1012974), (36, 844145), (45, 675316), (60, 506487), (90, 337658), (180, 168829), (197, 154260), (394, 77130), (591, 51420), (788, 38565), (857, 35460), (985, 30852), (1182, 25710), (1714, 17730), (1773, 17140), (1970, 15426), (2364, 12855), (2571, 11820), (2955, 10284), (3428, 8865), (3546, 8570), (3940, 7713), (4285, 7092), (5142, 5910)]