2656980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 8353800

約数和(自身を除く): 5696820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 509, 522, 580, 870, 1018, 1044, 1305, 1527, 1740, 2036, 2545, 2610, 3054, 4581, 5090, 5220, 6108, 7635, 9162, 10180, 14761, 15270, 18324, 22905, 29522, 30540, 44283, 45810, 59044, 73805, 88566, 91620, 132849, 147610, 177132, 221415, 265698, 295220, 442830, 531396, 664245, 885660, 1328490, 2656980]

約数ペア:

[(1, 2656980), (2, 1328490), (3, 885660), (4, 664245), (5, 531396), (6, 442830), (9, 295220), (10, 265698), (12, 221415), (15, 177132), (18, 147610), (20, 132849), (29, 91620), (30, 88566), (36, 73805), (45, 59044), (58, 45810), (60, 44283), (87, 30540), (90, 29522), (116, 22905), (145, 18324), (174, 15270), (180, 14761), (261, 10180), (290, 9162), (348, 7635), (435, 6108), (509, 5220), (522, 5090), (580, 4581), (870, 3054), (1018, 2610), (1044, 2545), (1305, 2036), (1527, 1740)]