815797740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{64439}}^1$

素因数の和:64662

約数の個数: 48

約数和(自身を含む): 2295095040

約数和(自身を除く): 1479297300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2532, 3165, 4220, 6330, 12660, 64439, 128878, 193317, 257756, 322195, 386634, 644390, 773268, 966585, 1288780, 1933170, 3866340, 13596629, 27193258, 40789887, 54386516, 67983145, 81579774, 135966290, 163159548, 203949435, 271932580, 407898870, 815797740]

約数ペア:

[(1, 815797740), (2, 407898870), (3, 271932580), (4, 203949435), (5, 163159548), (6, 135966290), (10, 81579774), (12, 67983145), (15, 54386516), (20, 40789887), (30, 27193258), (60, 13596629), (211, 3866340), (422, 1933170), (633, 1288780), (844, 966585), (1055, 773268), (1266, 644390), (2110, 386634), (2532, 322195), (3165, 257756), (4220, 193317), (6330, 128878), (12660, 64439)]