156789380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{967}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 367692864

約数和(自身を除く): 210903484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 121, 134, 220, 242, 268, 335, 484, 605, 670, 737, 967, 1210, 1340, 1474, 1934, 2420, 2948, 3685, 3868, 4835, 7370, 8107, 9670, 10637, 14740, 16214, 19340, 21274, 32428, 40535, 42548, 53185, 64789, 81070, 106370, 117007, 129578, 162140, 212740, 234014, 259156, 323945, 468028, 585035, 647890, 712679, 1170070, 1295780, 1425358, 2340140, 2850716, 3563395, 7126790, 7839469, 14253580, 15678938, 31357876, 39197345, 78394690, 156789380]

約数ペア:

[(1, 156789380), (2, 78394690), (4, 39197345), (5, 31357876), (10, 15678938), (11, 14253580), (20, 7839469), (22, 7126790), (44, 3563395), (55, 2850716), (67, 2340140), (110, 1425358), (121, 1295780), (134, 1170070), (220, 712679), (242, 647890), (268, 585035), (335, 468028), (484, 323945), (605, 259156), (670, 234014), (737, 212740), (967, 162140), (1210, 129578), (1340, 117007), (1474, 106370), (1934, 81070), (2420, 64789), (2948, 53185), (3685, 42548), (3868, 40535), (4835, 32428), (7370, 21274), (8107, 19340), (9670, 16214), (10637, 14740)]