13219380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^2$

素因数の和:557

約数の個数: 54

約数和(自身を含む): 40247298

約数和(自身を除く): 27027918

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2710, 3252, 4065, 4878, 5420, 8130, 9756, 12195, 16260, 24390, 48780, 73441, 146882, 220323, 293764, 367205, 440646, 660969, 734410, 881292, 1101615, 1321938, 1468820, 2203230, 2643876, 3304845, 4406460, 6609690, 13219380]

約数ペア:

[(1, 13219380), (2, 6609690), (3, 4406460), (4, 3304845), (5, 2643876), (6, 2203230), (9, 1468820), (10, 1321938), (12, 1101615), (15, 881292), (18, 734410), (20, 660969), (30, 440646), (36, 367205), (45, 293764), (60, 220323), (90, 146882), (180, 73441), (271, 48780), (542, 24390), (813, 16260), (1084, 12195), (1355, 9756), (1626, 8130), (2439, 5420), (2710, 4878), (3252, 4065)]