16825140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 51393888

約数和(自身を除く): 34568748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 443, 633, 844, 886, 1055, 1266, 1329, 1772, 1899, 2110, 2215, 2532, 2658, 3165, 3798, 3987, 4220, 4430, 5316, 6330, 6645, 7596, 7974, 8860, 9495, 12660, 13290, 15948, 18990, 19935, 26580, 37980, 39870, 79740, 93473, 186946, 280419, 373892, 467365, 560838, 841257, 934730, 1121676, 1402095, 1682514, 1869460, 2804190, 3365028, 4206285, 5608380, 8412570, 16825140]

約数ペア:

[(1, 16825140), (2, 8412570), (3, 5608380), (4, 4206285), (5, 3365028), (6, 2804190), (9, 1869460), (10, 1682514), (12, 1402095), (15, 1121676), (18, 934730), (20, 841257), (30, 560838), (36, 467365), (45, 373892), (60, 280419), (90, 186946), (180, 93473), (211, 79740), (422, 39870), (443, 37980), (633, 26580), (844, 19935), (886, 18990), (1055, 15948), (1266, 13290), (1329, 12660), (1772, 9495), (1899, 8860), (2110, 7974), (2215, 7596), (2532, 6645), (2658, 6330), (3165, 5316), (3798, 4430), (3987, 4220)]