18990584280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52751623}}^1$

素因数の和:52751640

約数の個数: 48

約数和(自身を含む): 61719400080

約数和(自身を除く): 42728815800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52751623, 105503246, 158254869, 211006492, 263758115, 316509738, 422012984, 474764607, 527516230, 633019476, 791274345, 949529214, 1055032460, 1266038952, 1582548690, 1899058428, 2110064920, 2373823035, 3165097380, 3798116856, 4747646070, 6330194760, 9495292140, 18990584280]

約数ペア:

[(1, 18990584280), (2, 9495292140), (3, 6330194760), (4, 4747646070), (5, 3798116856), (6, 3165097380), (8, 2373823035), (9, 2110064920), (10, 1899058428), (12, 1582548690), (15, 1266038952), (18, 1055032460), (20, 949529214), (24, 791274345), (30, 633019476), (36, 527516230), (40, 474764607), (45, 422012984), (60, 316509738), (72, 263758115), (90, 211006492), (120, 158254869), (180, 105503246), (360, 52751623)]