258233220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{204947}}^1$

素因数の和:204969

約数の個数: 72

約数和(自身を含む): 895212864

約数和(自身を除く): 636979644

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, 204947, 409894, 614841, 819788, 1024735, 1229682, 1434629, 1844523, 2049470, 2459364, 2869258, 3074205, 3689046, 4098940, 4303887, 5738516, 6148410, 7173145, 7378092, 8607774, 9222615, 12296820, 12911661, 14346290, 17215548, 18445230, 21519435, 25823322, 28692580, 36890460, 43038870, 51646644, 64558305, 86077740, 129116610, 258233220]

約数ペア:

[(1, 258233220), (2, 129116610), (3, 86077740), (4, 64558305), (5, 51646644), (6, 43038870), (7, 36890460), (9, 28692580), (10, 25823322), (12, 21519435), (14, 18445230), (15, 17215548), (18, 14346290), (20, 12911661), (21, 12296820), (28, 9222615), (30, 8607774), (35, 7378092), (36, 7173145), (42, 6148410), (45, 5738516), (60, 4303887), (63, 4098940), (70, 3689046), (84, 3074205), (90, 2869258), (105, 2459364), (126, 2049470), (140, 1844523), (180, 1434629), (210, 1229682), (252, 1024735), (315, 819788), (420, 614841), (630, 409894), (1260, 204947)]