181373220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{143947}}^1$

素因数の和:143969

約数の個数: 72

約数和(自身を含む): 628764864

約数和(自身を除く): 447391644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 143947, 287894, 431841, 575788, 719735, 863682, 1007629, 1295523, 1439470, 1727364, 2015258, 2159205, 2591046, 2878940, 3022887, 4030516, 4318410, 5038145, 5182092, 6045774, 6477615, 8636820, 9068661, 10076290, 12091548, 12955230, 15114435, 18137322, 20152580, 25910460, 30228870, 36274644, 45343305, 60457740, 90686610, 181373220]

約数ペア:

[(1, 181373220), (2, 90686610), (3, 60457740), (4, 45343305), (5, 36274644), (6, 30228870), (7, 25910460), (9, 20152580), (10, 18137322), (12, 15114435), (14, 12955230), (15, 12091548), (18, 10076290), (20, 9068661), (21, 8636820), (28, 6477615), (30, 6045774), (35, 5182092), (36, 5038145), (42, 4318410), (45, 4030516), (60, 3022887), (63, 2878940), (70, 2591046), (84, 2159205), (90, 2015258), (105, 1727364), (126, 1439470), (140, 1295523), (180, 1007629), (210, 863682), (252, 719735), (315, 575788), (420, 431841), (630, 287894), (1260, 143947)]