56871540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28723}}^1$

素因数の和:28749

約数の個数: 72

約数和(自身を含む): 188199648

約数和(自身を除く): 131328108

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, 28723, 57446, 86169, 114892, 143615, 172338, 258507, 287230, 315953, 344676, 430845, 517014, 574460, 631906, 861690, 947859, 1034028, 1263812, 1292535, 1579765, 1723380, 1895718, 2585070, 2843577, 3159530, 3791436, 4739295, 5170140, 5687154, 6319060, 9478590, 11374308, 14217885, 18957180, 28435770, 56871540]

約数ペア:

[(1, 56871540), (2, 28435770), (3, 18957180), (4, 14217885), (5, 11374308), (6, 9478590), (9, 6319060), (10, 5687154), (11, 5170140), (12, 4739295), (15, 3791436), (18, 3159530), (20, 2843577), (22, 2585070), (30, 1895718), (33, 1723380), (36, 1579765), (44, 1292535), (45, 1263812), (55, 1034028), (60, 947859), (66, 861690), (90, 631906), (99, 574460), (110, 517014), (132, 430845), (165, 344676), (180, 315953), (198, 287230), (220, 258507), (330, 172338), (396, 143615), (495, 114892), (660, 86169), (990, 57446), (1980, 28723)]