25425180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12841}}^1$

素因数の和:12867

約数の個数: 72

約数和(自身を含む): 84140784

約数和(自身を除く): 58715604

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, 12841, 25682, 38523, 51364, 64205, 77046, 115569, 128410, 141251, 154092, 192615, 231138, 256820, 282502, 385230, 423753, 462276, 565004, 577845, 706255, 770460, 847506, 1155690, 1271259, 1412510, 1695012, 2118765, 2311380, 2542518, 2825020, 4237530, 5085036, 6356295, 8475060, 12712590, 25425180]

約数ペア:

[(1, 25425180), (2, 12712590), (3, 8475060), (4, 6356295), (5, 5085036), (6, 4237530), (9, 2825020), (10, 2542518), (11, 2311380), (12, 2118765), (15, 1695012), (18, 1412510), (20, 1271259), (22, 1155690), (30, 847506), (33, 770460), (36, 706255), (44, 577845), (45, 565004), (55, 462276), (60, 423753), (66, 385230), (90, 282502), (99, 256820), (110, 231138), (132, 192615), (165, 154092), (180, 141251), (198, 128410), (220, 115569), (330, 77046), (396, 64205), (495, 51364), (660, 38523), (990, 25682), (1980, 12841)]