19760880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 61808544

約数和(自身を除く): 42047664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 601, 685, 822, 1096, 1202, 1370, 1644, 1803, 2055, 2192, 2404, 2740, 3005, 3288, 3606, 4110, 4808, 5480, 6010, 6576, 7212, 8220, 9015, 9616, 10960, 12020, 14424, 16440, 18030, 24040, 28848, 32880, 36060, 48080, 72120, 82337, 144240, 164674, 247011, 329348, 411685, 494022, 658696, 823370, 988044, 1235055, 1317392, 1646740, 1976088, 2470110, 3293480, 3952176, 4940220, 6586960, 9880440, 19760880]

約数ペア:

[(1, 19760880), (2, 9880440), (3, 6586960), (4, 4940220), (5, 3952176), (6, 3293480), (8, 2470110), (10, 1976088), (12, 1646740), (15, 1317392), (16, 1235055), (20, 988044), (24, 823370), (30, 658696), (40, 494022), (48, 411685), (60, 329348), (80, 247011), (120, 164674), (137, 144240), (240, 82337), (274, 72120), (411, 48080), (548, 36060), (601, 32880), (685, 28848), (822, 24040), (1096, 18030), (1202, 16440), (1370, 14424), (1644, 12020), (1803, 10960), (2055, 9616), (2192, 9015), (2404, 8220), (2740, 7212), (3005, 6576), (3288, 6010), (3606, 5480), (4110, 4808)]