28120620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 86800896

約数和(自身を除く): 58680276

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 137, 165, 220, 274, 311, 330, 411, 548, 622, 660, 685, 822, 933, 1244, 1370, 1507, 1555, 1644, 1866, 2055, 2740, 3014, 3110, 3421, 3732, 4110, 4521, 4665, 6028, 6220, 6842, 7535, 8220, 9042, 9330, 10263, 13684, 15070, 17105, 18084, 18660, 20526, 22605, 30140, 34210, 41052, 42607, 45210, 51315, 68420, 85214, 90420, 102630, 127821, 170428, 205260, 213035, 255642, 426070, 468677, 511284, 639105, 852140, 937354, 1278210, 1406031, 1874708, 2343385, 2556420, 2812062, 4686770, 5624124, 7030155, 9373540, 14060310, 28120620]

約数ペア:

[(1, 28120620), (2, 14060310), (3, 9373540), (4, 7030155), (5, 5624124), (6, 4686770), (10, 2812062), (11, 2556420), (12, 2343385), (15, 1874708), (20, 1406031), (22, 1278210), (30, 937354), (33, 852140), (44, 639105), (55, 511284), (60, 468677), (66, 426070), (110, 255642), (132, 213035), (137, 205260), (165, 170428), (220, 127821), (274, 102630), (311, 90420), (330, 85214), (411, 68420), (548, 51315), (622, 45210), (660, 42607), (685, 41052), (822, 34210), (933, 30140), (1244, 22605), (1370, 20526), (1507, 18660), (1555, 18084), (1644, 17105), (1866, 15070), (2055, 13684), (2740, 10263), (3014, 9330), (3110, 9042), (3421, 8220), (3732, 7535), (4110, 6842), (4521, 6220), (4665, 6028)]