1320060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 4309200

約数和(自身を除く): 2989140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 449, 490, 588, 735, 898, 980, 1347, 1470, 1796, 2245, 2694, 2940, 3143, 4490, 5388, 6286, 6735, 8980, 9429, 12572, 13470, 15715, 18858, 22001, 26940, 31430, 37716, 44002, 47145, 62860, 66003, 88004, 94290, 110005, 132006, 188580, 220010, 264012, 330015, 440020, 660030, 1320060]

約数ペア:

[(1, 1320060), (2, 660030), (3, 440020), (4, 330015), (5, 264012), (6, 220010), (7, 188580), (10, 132006), (12, 110005), (14, 94290), (15, 88004), (20, 66003), (21, 62860), (28, 47145), (30, 44002), (35, 37716), (42, 31430), (49, 26940), (60, 22001), (70, 18858), (84, 15715), (98, 13470), (105, 12572), (140, 9429), (147, 8980), (196, 6735), (210, 6286), (245, 5388), (294, 4490), (420, 3143), (449, 2940), (490, 2694), (588, 2245), (735, 1796), (898, 1470), (980, 1347)]