255985470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1018

約数の個数: 96

約数和(自身を含む): 720012384

約数和(自身を除く): 464026914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 331, 390, 585, 661, 662, 993, 1170, 1322, 1655, 1983, 1986, 2979, 3305, 3310, 3966, 4303, 4965, 5949, 5958, 6610, 8593, 8606, 9915, 9930, 11898, 12909, 14895, 17186, 19830, 21515, 25779, 25818, 29745, 29790, 38727, 42965, 43030, 51558, 59490, 64545, 77337, 77454, 85930, 128895, 129090, 154674, 193635, 218791, 257790, 386685, 387270, 437582, 656373, 773370, 1093955, 1312746, 1969119, 2187910, 2844283, 3281865, 3938238, 5688566, 6563730, 8532849, 9845595, 14221415, 17065698, 19691190, 25598547, 28442830, 42664245, 51197094, 85328490, 127992735, 255985470]

約数ペア:

[(1, 255985470), (2, 127992735), (3, 85328490), (5, 51197094), (6, 42664245), (9, 28442830), (10, 25598547), (13, 19691190), (15, 17065698), (18, 14221415), (26, 9845595), (30, 8532849), (39, 6563730), (45, 5688566), (65, 3938238), (78, 3281865), (90, 2844283), (117, 2187910), (130, 1969119), (195, 1312746), (234, 1093955), (331, 773370), (390, 656373), (585, 437582), (661, 387270), (662, 386685), (993, 257790), (1170, 218791), (1322, 193635), (1655, 154674), (1983, 129090), (1986, 128895), (2979, 85930), (3305, 77454), (3310, 77337), (3966, 64545), (4303, 59490), (4965, 51558), (5949, 43030), (5958, 42965), (6610, 38727), (8593, 29790), (8606, 29745), (9915, 25818), (9930, 25779), (11898, 21515), (12909, 19830), (14895, 17186)]