30439640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9883}}^1$

素因数の和:9912

約数の個数: 64

約数和(自身を含む): 85397760

約数和(自身を除く): 54958120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9883, 19766, 39532, 49415, 69181, 79064, 98830, 108713, 138362, 197660, 217426, 276724, 345905, 395320, 434852, 543565, 553448, 691810, 760991, 869704, 1087130, 1383620, 1521982, 2174260, 2767240, 3043964, 3804955, 4348520, 6087928, 7609910, 15219820, 30439640]

約数ペア:

[(1, 30439640), (2, 15219820), (4, 7609910), (5, 6087928), (7, 4348520), (8, 3804955), (10, 3043964), (11, 2767240), (14, 2174260), (20, 1521982), (22, 1383620), (28, 1087130), (35, 869704), (40, 760991), (44, 691810), (55, 553448), (56, 543565), (70, 434852), (77, 395320), (88, 345905), (110, 276724), (140, 217426), (154, 197660), (220, 138362), (280, 108713), (308, 98830), (385, 79064), (440, 69181), (616, 49415), (770, 39532), (1540, 19766), (3080, 9883)]