2640120

素因数分解:

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

素因数の和:477

約数の個数: 96

約数和(自身を含む): 9234000

約数和(自身を除く): 6593880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 449, 490, 588, 735, 840, 898, 980, 1176, 1347, 1470, 1796, 1960, 2245, 2694, 2940, 3143, 3592, 4490, 5388, 5880, 6286, 6735, 8980, 9429, 10776, 12572, 13470, 15715, 17960, 18858, 22001, 25144, 26940, 31430, 37716, 44002, 47145, 53880, 62860, 66003, 75432, 88004, 94290, 110005, 125720, 132006, 176008, 188580, 220010, 264012, 330015, 377160, 440020, 528024, 660030, 880040, 1320060, 2640120]

約数ペア:

[(1, 2640120), (2, 1320060), (3, 880040), (4, 660030), (5, 528024), (6, 440020), (7, 377160), (8, 330015), (10, 264012), (12, 220010), (14, 188580), (15, 176008), (20, 132006), (21, 125720), (24, 110005), (28, 94290), (30, 88004), (35, 75432), (40, 66003), (42, 62860), (49, 53880), (56, 47145), (60, 44002), (70, 37716), (84, 31430), (98, 26940), (105, 25144), (120, 22001), (140, 18858), (147, 17960), (168, 15715), (196, 13470), (210, 12572), (245, 10776), (280, 9429), (294, 8980), (392, 6735), (420, 6286), (449, 5880), (490, 5388), (588, 4490), (735, 3592), (840, 3143), (898, 2940), (980, 2694), (1176, 2245), (1347, 1960), (1470, 1796)]