15291540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7723}}^1$

素因数の和:7749

約数の個数: 72

約数和(自身を含む): 50607648

約数和(自身を除く): 35316108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 7723, 15446, 23169, 30892, 38615, 46338, 69507, 77230, 84953, 92676, 115845, 139014, 154460, 169906, 231690, 254859, 278028, 339812, 347535, 424765, 463380, 509718, 695070, 764577, 849530, 1019436, 1274295, 1390140, 1529154, 1699060, 2548590, 3058308, 3822885, 5097180, 7645770, 15291540]

約数ペア:

[(1, 15291540), (2, 7645770), (3, 5097180), (4, 3822885), (5, 3058308), (6, 2548590), (9, 1699060), (10, 1529154), (11, 1390140), (12, 1274295), (15, 1019436), (18, 849530), (20, 764577), (22, 695070), (30, 509718), (33, 463380), (36, 424765), (44, 347535), (45, 339812), (55, 278028), (60, 254859), (66, 231690), (90, 169906), (99, 154460), (110, 139014), (132, 115845), (165, 92676), (180, 84953), (198, 77230), (220, 69507), (330, 46338), (396, 38615), (495, 30892), (660, 23169), (990, 15446), (1980, 7723)]