2581020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 8438976

約数和(自身を除く): 5857956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1103, 1170, 2206, 2340, 3309, 4412, 5515, 6618, 9927, 11030, 13236, 14339, 16545, 19854, 22060, 28678, 33090, 39708, 43017, 49635, 57356, 66180, 71695, 86034, 99270, 129051, 143390, 172068, 198540, 215085, 258102, 286780, 430170, 516204, 645255, 860340, 1290510, 2581020]

約数ペア:

[(1, 2581020), (2, 1290510), (3, 860340), (4, 645255), (5, 516204), (6, 430170), (9, 286780), (10, 258102), (12, 215085), (13, 198540), (15, 172068), (18, 143390), (20, 129051), (26, 99270), (30, 86034), (36, 71695), (39, 66180), (45, 57356), (52, 49635), (60, 43017), (65, 39708), (78, 33090), (90, 28678), (117, 22060), (130, 19854), (156, 16545), (180, 14339), (195, 13236), (234, 11030), (260, 9927), (390, 6618), (468, 5515), (585, 4412), (780, 3309), (1103, 2340), (1170, 2206)]