138468420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256423}}^1$

素因数の和:256441

約数の個数: 48

約数和(自身を含む): 430792320

約数和(自身を除く): 292323900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256423, 512846, 769269, 1025692, 1282115, 1538538, 2307807, 2564230, 3077076, 3846345, 4615614, 5128460, 6923421, 7692690, 9231228, 11539035, 13846842, 15385380, 23078070, 27693684, 34617105, 46156140, 69234210, 138468420]

約数ペア:

[(1, 138468420), (2, 69234210), (3, 46156140), (4, 34617105), (5, 27693684), (6, 23078070), (9, 15385380), (10, 13846842), (12, 11539035), (15, 9231228), (18, 7692690), (20, 6923421), (27, 5128460), (30, 4615614), (36, 3846345), (45, 3077076), (54, 2564230), (60, 2307807), (90, 1538538), (108, 1282115), (135, 1025692), (180, 769269), (270, 512846), (540, 256423)]