18480840

素因数分解:

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

素因数の和:484

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 46319160

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, 343, 392, 420, 449, 490, 588, 686, 735, 840, 898, 980, 1029, 1176, 1347, 1372, 1470, 1715, 1796, 1960, 2058, 2245, 2694, 2744, 2940, 3143, 3430, 3592, 4116, 4490, 5145, 5388, 5880, 6286, 6735, 6860, 8232, 8980, 9429, 10290, 10776, 12572, 13470, 13720, 15715, 17960, 18858, 20580, 22001, 25144, 26940, 31430, 37716, 41160, 44002, 47145, 53880, 62860, 66003, 75432, 88004, 94290, 110005, 125720, 132006, 154007, 176008, 188580, 220010, 264012, 308014, 330015, 377160, 440020, 462021, 528024, 616028, 660030, 770035, 880040, 924042, 1232056, 1320060, 1540070, 1848084, 2310105, 2640120, 3080140, 3696168, 4620210, 6160280, 9240420, 18480840]

約数ペア:

[(1, 18480840), (2, 9240420), (3, 6160280), (4, 4620210), (5, 3696168), (6, 3080140), (7, 2640120), (8, 2310105), (10, 1848084), (12, 1540070), (14, 1320060), (15, 1232056), (20, 924042), (21, 880040), (24, 770035), (28, 660030), (30, 616028), (35, 528024), (40, 462021), (42, 440020), (49, 377160), (56, 330015), (60, 308014), (70, 264012), (84, 220010), (98, 188580), (105, 176008), (120, 154007), (140, 132006), (147, 125720), (168, 110005), (196, 94290), (210, 88004), (245, 75432), (280, 66003), (294, 62860), (343, 53880), (392, 47145), (420, 44002), (449, 41160), (490, 37716), (588, 31430), (686, 26940), (735, 25144), (840, 22001), (898, 20580), (980, 18858), (1029, 17960), (1176, 15715), (1347, 13720), (1372, 13470), (1470, 12572), (1715, 10776), (1796, 10290), (1960, 9429), (2058, 8980), (2245, 8232), (2694, 6860), (2744, 6735), (2940, 6286), (3143, 5880), (3430, 5388), (3592, 5145), (4116, 4490)]