16855380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3229}}^1$

素因数の和:3273

約数の個数: 72

約数和(自身を含む): 52907400

約数和(自身を除く): 36052020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3229, 5220, 6458, 9687, 12916, 16145, 19374, 29061, 32290, 38748, 48435, 58122, 64580, 93641, 96870, 116244, 145305, 187282, 193740, 280923, 290610, 374564, 468205, 561846, 581220, 842769, 936410, 1123692, 1404615, 1685538, 1872820, 2809230, 3371076, 4213845, 5618460, 8427690, 16855380]

約数ペア:

[(1, 16855380), (2, 8427690), (3, 5618460), (4, 4213845), (5, 3371076), (6, 2809230), (9, 1872820), (10, 1685538), (12, 1404615), (15, 1123692), (18, 936410), (20, 842769), (29, 581220), (30, 561846), (36, 468205), (45, 374564), (58, 290610), (60, 280923), (87, 193740), (90, 187282), (116, 145305), (145, 116244), (174, 96870), (180, 93641), (261, 64580), (290, 58122), (348, 48435), (435, 38748), (522, 32290), (580, 29061), (870, 19374), (1044, 16145), (1305, 12916), (1740, 9687), (2610, 6458), (3229, 5220)]