154581280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19717}}^1$

素因数の和:19746

約数の個数: 72

約数和(自身を含む): 424844028

約数和(自身を除く): 270262748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19717, 39434, 78868, 98585, 138019, 157736, 197170, 276038, 315472, 394340, 552076, 630944, 690095, 788680, 966133, 1104152, 1380190, 1577360, 1932266, 2208304, 2760380, 3154720, 3864532, 4416608, 4830665, 5520760, 7729064, 9661330, 11041520, 15458128, 19322660, 22083040, 30916256, 38645320, 77290640, 154581280]

約数ペア:

[(1, 154581280), (2, 77290640), (4, 38645320), (5, 30916256), (7, 22083040), (8, 19322660), (10, 15458128), (14, 11041520), (16, 9661330), (20, 7729064), (28, 5520760), (32, 4830665), (35, 4416608), (40, 3864532), (49, 3154720), (56, 2760380), (70, 2208304), (80, 1932266), (98, 1577360), (112, 1380190), (140, 1104152), (160, 966133), (196, 788680), (224, 690095), (245, 630944), (280, 552076), (392, 394340), (490, 315472), (560, 276038), (784, 197170), (980, 157736), (1120, 138019), (1568, 98585), (1960, 78868), (3920, 39434), (7840, 19717)]