28965420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14629}}^1$

素因数の和:14655

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 66890340

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, 14629, 29258, 43887, 58516, 73145, 87774, 131661, 146290, 160919, 175548, 219435, 263322, 292580, 321838, 438870, 482757, 526644, 643676, 658305, 804595, 877740, 965514, 1316610, 1448271, 1609190, 1931028, 2413785, 2633220, 2896542, 3218380, 4827570, 5793084, 7241355, 9655140, 14482710, 28965420]

約数ペア:

[(1, 28965420), (2, 14482710), (3, 9655140), (4, 7241355), (5, 5793084), (6, 4827570), (9, 3218380), (10, 2896542), (11, 2633220), (12, 2413785), (15, 1931028), (18, 1609190), (20, 1448271), (22, 1316610), (30, 965514), (33, 877740), (36, 804595), (44, 658305), (45, 643676), (55, 526644), (60, 482757), (66, 438870), (90, 321838), (99, 292580), (110, 263322), (132, 219435), (165, 175548), (180, 160919), (198, 146290), (220, 131661), (330, 87774), (396, 73145), (495, 58516), (660, 43887), (990, 29258), (1980, 14629)]