16673220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 50930880

約数和(自身を除く): 34257660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 439, 633, 844, 878, 1055, 1266, 1317, 1756, 1899, 2110, 2195, 2532, 2634, 3165, 3798, 3951, 4220, 4390, 5268, 6330, 6585, 7596, 7902, 8780, 9495, 12660, 13170, 15804, 18990, 19755, 26340, 37980, 39510, 79020, 92629, 185258, 277887, 370516, 463145, 555774, 833661, 926290, 1111548, 1389435, 1667322, 1852580, 2778870, 3334644, 4168305, 5557740, 8336610, 16673220]

約数ペア:

[(1, 16673220), (2, 8336610), (3, 5557740), (4, 4168305), (5, 3334644), (6, 2778870), (9, 1852580), (10, 1667322), (12, 1389435), (15, 1111548), (18, 926290), (20, 833661), (30, 555774), (36, 463145), (45, 370516), (60, 277887), (90, 185258), (180, 92629), (211, 79020), (422, 39510), (439, 37980), (633, 26340), (844, 19755), (878, 18990), (1055, 15804), (1266, 13170), (1317, 12660), (1756, 9495), (1899, 8780), (2110, 7902), (2195, 7596), (2532, 6585), (2634, 6330), (3165, 5268), (3798, 4390), (3951, 4220)]