1319640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1592

約数の個数: 64

約数和(自身を含む): 4527360

約数和(自身を除く): 3207720

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, 1571, 3142, 4713, 6284, 7855, 9426, 10997, 12568, 15710, 18852, 21994, 23565, 31420, 32991, 37704, 43988, 47130, 54985, 62840, 65982, 87976, 94260, 109970, 131964, 164955, 188520, 219940, 263928, 329910, 439880, 659820, 1319640]

約数ペア:

[(1, 1319640), (2, 659820), (3, 439880), (4, 329910), (5, 263928), (6, 219940), (7, 188520), (8, 164955), (10, 131964), (12, 109970), (14, 94260), (15, 87976), (20, 65982), (21, 62840), (24, 54985), (28, 47130), (30, 43988), (35, 37704), (40, 32991), (42, 31420), (56, 23565), (60, 21994), (70, 18852), (84, 15710), (105, 12568), (120, 10997), (140, 9426), (168, 7855), (210, 6284), (280, 4713), (420, 3142), (840, 1571)]