28363860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22511}}^1$

素因数の和:22533

約数の個数: 72

約数和(自身を含む): 98332416

約数和(自身を除く): 69968556

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, 22511, 45022, 67533, 90044, 112555, 135066, 157577, 202599, 225110, 270132, 315154, 337665, 405198, 450220, 472731, 630308, 675330, 787885, 810396, 945462, 1012995, 1350660, 1418193, 1575770, 1890924, 2025990, 2363655, 2836386, 3151540, 4051980, 4727310, 5672772, 7090965, 9454620, 14181930, 28363860]

約数ペア:

[(1, 28363860), (2, 14181930), (3, 9454620), (4, 7090965), (5, 5672772), (6, 4727310), (7, 4051980), (9, 3151540), (10, 2836386), (12, 2363655), (14, 2025990), (15, 1890924), (18, 1575770), (20, 1418193), (21, 1350660), (28, 1012995), (30, 945462), (35, 810396), (36, 787885), (42, 675330), (45, 630308), (60, 472731), (63, 450220), (70, 405198), (84, 337665), (90, 315154), (105, 270132), (126, 225110), (140, 202599), (180, 157577), (210, 135066), (252, 112555), (315, 90044), (420, 67533), (630, 45022), (1260, 22511)]