823123470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:818

約数の個数: 128

約数和(自身を含む): 2220761088

約数和(自身を除く): 1397637618

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 103, 130, 155, 186, 195, 206, 309, 310, 390, 403, 465, 515, 618, 661, 806, 930, 1030, 1209, 1322, 1339, 1545, 1983, 2015, 2418, 2678, 3090, 3193, 3305, 3966, 4017, 4030, 6045, 6386, 6610, 6695, 8034, 8593, 9579, 9915, 12090, 13390, 15965, 17186, 19158, 19830, 20085, 20491, 25779, 31930, 40170, 40982, 41509, 42965, 47895, 51558, 61473, 68083, 83018, 85930, 95790, 102455, 122946, 124527, 128895, 136166, 204249, 204910, 207545, 249054, 257790, 266383, 307365, 340415, 408498, 415090, 532766, 614730, 622635, 680830, 799149, 885079, 1021245, 1245270, 1331915, 1598298, 1770158, 2042490, 2110573, 2655237, 2663830, 3995745, 4221146, 4425395, 5310474, 6331719, 7991490, 8850790, 10552865, 12663438, 13276185, 21105730, 26552370, 27437449, 31658595, 54874898, 63317190, 82312347, 137187245, 164624694, 274374490, 411561735, 823123470]

約数ペア:

[(1, 823123470), (2, 411561735), (3, 274374490), (5, 164624694), (6, 137187245), (10, 82312347), (13, 63317190), (15, 54874898), (26, 31658595), (30, 27437449), (31, 26552370), (39, 21105730), (62, 13276185), (65, 12663438), (78, 10552865), (93, 8850790), (103, 7991490), (130, 6331719), (155, 5310474), (186, 4425395), (195, 4221146), (206, 3995745), (309, 2663830), (310, 2655237), (390, 2110573), (403, 2042490), (465, 1770158), (515, 1598298), (618, 1331915), (661, 1245270), (806, 1021245), (930, 885079), (1030, 799149), (1209, 680830), (1322, 622635), (1339, 614730), (1545, 532766), (1983, 415090), (2015, 408498), (2418, 340415), (2678, 307365), (3090, 266383), (3193, 257790), (3305, 249054), (3966, 207545), (4017, 204910), (4030, 204249), (6045, 136166), (6386, 128895), (6610, 124527), (6695, 122946), (8034, 102455), (8593, 95790), (9579, 85930), (9915, 83018), (12090, 68083), (13390, 61473), (15965, 51558), (17186, 47895), (19158, 42965), (19830, 41509), (20085, 40982), (20491, 40170), (25779, 31930)]