45408420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{727}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 138325824

約数和(自身を除く): 92917404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 727, 1041, 1388, 1454, 1735, 2082, 2181, 2908, 3123, 3470, 3635, 4164, 4362, 5205, 6246, 6543, 6940, 7270, 8724, 10410, 10905, 12492, 13086, 14540, 15615, 20820, 21810, 26172, 31230, 32715, 43620, 62460, 65430, 130860, 252269, 504538, 756807, 1009076, 1261345, 1513614, 2270421, 2522690, 3027228, 3784035, 4540842, 5045380, 7568070, 9081684, 11352105, 15136140, 22704210, 45408420]

約数ペア:

[(1, 45408420), (2, 22704210), (3, 15136140), (4, 11352105), (5, 9081684), (6, 7568070), (9, 5045380), (10, 4540842), (12, 3784035), (15, 3027228), (18, 2522690), (20, 2270421), (30, 1513614), (36, 1261345), (45, 1009076), (60, 756807), (90, 504538), (180, 252269), (347, 130860), (694, 65430), (727, 62460), (1041, 43620), (1388, 32715), (1454, 31230), (1735, 26172), (2082, 21810), (2181, 20820), (2908, 15615), (3123, 14540), (3470, 13086), (3635, 12492), (4164, 10905), (4362, 10410), (5205, 8724), (6246, 7270), (6543, 6940)]