28015020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14149}}^1$

素因数の和:14175

約数の個数: 72

約数和(自身を含む): 92710800

約数和(自身を除く): 64695780

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, 14149, 28298, 42447, 56596, 70745, 84894, 127341, 141490, 155639, 169788, 212235, 254682, 282980, 311278, 424470, 466917, 509364, 622556, 636705, 778195, 848940, 933834, 1273410, 1400751, 1556390, 1867668, 2334585, 2546820, 2801502, 3112780, 4669170, 5603004, 7003755, 9338340, 14007510, 28015020]

約数ペア:

[(1, 28015020), (2, 14007510), (3, 9338340), (4, 7003755), (5, 5603004), (6, 4669170), (9, 3112780), (10, 2801502), (11, 2546820), (12, 2334585), (15, 1867668), (18, 1556390), (20, 1400751), (22, 1273410), (30, 933834), (33, 848940), (36, 778195), (44, 636705), (45, 622556), (55, 509364), (60, 466917), (66, 424470), (90, 311278), (99, 282980), (110, 254682), (132, 212235), (165, 169788), (180, 155639), (198, 141490), (220, 127341), (330, 84894), (396, 70745), (495, 56596), (660, 42447), (990, 28298), (1980, 14149)]