219173640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{260921}}^1$

素因数の和:260942

約数の個数: 64

約数和(自身を含む): 751455360

約数和(自身を除く): 532281720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 260921, 521842, 782763, 1043684, 1304605, 1565526, 1826447, 2087368, 2609210, 3131052, 3652894, 3913815, 5218420, 5479341, 6262104, 7305788, 7827630, 9132235, 10436840, 10958682, 14611576, 15655260, 18264470, 21917364, 27396705, 31310520, 36528940, 43834728, 54793410, 73057880, 109586820, 219173640]

約数ペア:

[(1, 219173640), (2, 109586820), (3, 73057880), (4, 54793410), (5, 43834728), (6, 36528940), (7, 31310520), (8, 27396705), (10, 21917364), (12, 18264470), (14, 15655260), (15, 14611576), (20, 10958682), (21, 10436840), (24, 9132235), (28, 7827630), (30, 7305788), (35, 6262104), (40, 5479341), (42, 5218420), (56, 3913815), (60, 3652894), (70, 3131052), (84, 2609210), (105, 2087368), (120, 1826447), (140, 1565526), (168, 1304605), (210, 1043684), (280, 782763), (420, 521842), (840, 260921)]