28081680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{967}}^1$

素因数の和:1005

約数の個数: 120

約数和(自身を含む): 95785536

約数和(自身を除く): 67703856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 967, 968, 1210, 1320, 1452, 1815, 1934, 1936, 2420, 2640, 2901, 2904, 3630, 3868, 4835, 4840, 5802, 5808, 7260, 7736, 9670, 9680, 10637, 11604, 14505, 14520, 15472, 19340, 21274, 23208, 29010, 29040, 31911, 38680, 42548, 46416, 53185, 58020, 63822, 77360, 85096, 106370, 116040, 117007, 127644, 159555, 170192, 212740, 232080, 234014, 255288, 319110, 351021, 425480, 468028, 510576, 585035, 638220, 702042, 850960, 936056, 1170070, 1276440, 1404084, 1755105, 1872112, 2340140, 2552880, 2808168, 3510210, 4680280, 5616336, 7020420, 9360560, 14040840, 28081680]

約数ペア:

[(1, 28081680), (2, 14040840), (3, 9360560), (4, 7020420), (5, 5616336), (6, 4680280), (8, 3510210), (10, 2808168), (11, 2552880), (12, 2340140), (15, 1872112), (16, 1755105), (20, 1404084), (22, 1276440), (24, 1170070), (30, 936056), (33, 850960), (40, 702042), (44, 638220), (48, 585035), (55, 510576), (60, 468028), (66, 425480), (80, 351021), (88, 319110), (110, 255288), (120, 234014), (121, 232080), (132, 212740), (165, 170192), (176, 159555), (220, 127644), (240, 117007), (242, 116040), (264, 106370), (330, 85096), (363, 77360), (440, 63822), (484, 58020), (528, 53185), (605, 46416), (660, 42548), (726, 38680), (880, 31911), (967, 29040), (968, 29010), (1210, 23208), (1320, 21274), (1452, 19340), (1815, 15472), (1934, 14520), (1936, 14505), (2420, 11604), (2640, 10637), (2901, 9680), (2904, 9670), (3630, 7736), (3868, 7260), (4835, 5808), (4840, 5802)]