17973480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21397}}^1$

素因数の和:21418

約数の個数: 64

約数和(自身を含む): 61626240

約数和(自身を除く): 43652760

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, 21397, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 213970, 256764, 299558, 320955, 427940, 449337, 513528, 599116, 641910, 748895, 855880, 898674, 1198232, 1283820, 1497790, 1797348, 2246685, 2567640, 2995580, 3594696, 4493370, 5991160, 8986740, 17973480]

約数ペア:

[(1, 17973480), (2, 8986740), (3, 5991160), (4, 4493370), (5, 3594696), (6, 2995580), (7, 2567640), (8, 2246685), (10, 1797348), (12, 1497790), (14, 1283820), (15, 1198232), (20, 898674), (21, 855880), (24, 748895), (28, 641910), (30, 599116), (35, 513528), (40, 449337), (42, 427940), (56, 320955), (60, 299558), (70, 256764), (84, 213970), (105, 171176), (120, 149779), (140, 128382), (168, 106985), (210, 85588), (280, 64191), (420, 42794), (840, 21397)]