123429780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 394377984

約数和(自身を除く): 270948204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 333, 370, 387, 430, 431, 444, 516, 555, 645, 666, 740, 774, 860, 862, 1110, 1290, 1293, 1332, 1548, 1591, 1665, 1724, 1935, 2155, 2220, 2580, 2586, 3182, 3330, 3870, 3879, 4310, 4773, 5172, 6364, 6465, 6660, 7740, 7758, 7955, 8620, 9546, 12930, 14319, 15516, 15910, 15947, 18533, 19092, 19395, 23865, 25860, 28638, 31820, 31894, 37066, 38790, 47730, 47841, 55599, 57276, 63788, 71595, 74132, 77580, 79735, 92665, 95460, 95682, 111198, 143190, 143523, 159470, 166797, 185330, 191364, 222396, 239205, 277995, 286380, 287046, 318940, 333594, 370660, 478410, 555990, 574092, 667188, 685721, 717615, 833985, 956820, 1111980, 1371442, 1435230, 1667970, 2057163, 2742884, 2870460, 3335940, 3428605, 4114326, 6171489, 6857210, 8228652, 10285815, 12342978, 13714420, 20571630, 24685956, 30857445, 41143260, 61714890, 123429780]

約数ペア:

[(1, 123429780), (2, 61714890), (3, 41143260), (4, 30857445), (5, 24685956), (6, 20571630), (9, 13714420), (10, 12342978), (12, 10285815), (15, 8228652), (18, 6857210), (20, 6171489), (30, 4114326), (36, 3428605), (37, 3335940), (43, 2870460), (45, 2742884), (60, 2057163), (74, 1667970), (86, 1435230), (90, 1371442), (111, 1111980), (129, 956820), (148, 833985), (172, 717615), (180, 685721), (185, 667188), (215, 574092), (222, 555990), (258, 478410), (333, 370660), (370, 333594), (387, 318940), (430, 287046), (431, 286380), (444, 277995), (516, 239205), (555, 222396), (645, 191364), (666, 185330), (740, 166797), (774, 159470), (860, 143523), (862, 143190), (1110, 111198), (1290, 95682), (1293, 95460), (1332, 92665), (1548, 79735), (1591, 77580), (1665, 74132), (1724, 71595), (1935, 63788), (2155, 57276), (2220, 55599), (2580, 47841), (2586, 47730), (3182, 38790), (3330, 37066), (3870, 31894), (3879, 31820), (4310, 28638), (4773, 25860), (5172, 23865), (6364, 19395), (6465, 19092), (6660, 18533), (7740, 15947), (7758, 15910), (7955, 15516), (8620, 14319), (9546, 12930)]