123709760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20383

約数の個数: 56

約数和(自身を含む): 310103520

約数和(自身を除く): 186393760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 20347, 40694, 81388, 101735, 162776, 203470, 325552, 386593, 406940, 651104, 773186, 813880, 1302208, 1546372, 1627760, 1932965, 3092744, 3255520, 3865930, 6185488, 6511040, 7731860, 12370976, 15463720, 24741952, 30927440, 61854880, 123709760]

約数ペア:

[(1, 123709760), (2, 61854880), (4, 30927440), (5, 24741952), (8, 15463720), (10, 12370976), (16, 7731860), (19, 6511040), (20, 6185488), (32, 3865930), (38, 3255520), (40, 3092744), (64, 1932965), (76, 1627760), (80, 1546372), (95, 1302208), (152, 813880), (160, 773186), (190, 651104), (304, 406940), (320, 386593), (380, 325552), (608, 203470), (760, 162776), (1216, 101735), (1520, 81388), (3040, 40694), (6080, 20347)]