7920360

素因数分解:

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

素因数の和:480

約数の個数: 144

約数和(自身を含む): 30010500

約数和(自身を除く): 22090140

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 449, 490, 504, 588, 630, 735, 840, 882, 898, 980, 1176, 1260, 1347, 1470, 1764, 1796, 1960, 2205, 2245, 2520, 2694, 2940, 3143, 3528, 3592, 4041, 4410, 4490, 5388, 5880, 6286, 6735, 8082, 8820, 8980, 9429, 10776, 12572, 13470, 15715, 16164, 17640, 17960, 18858, 20205, 22001, 25144, 26940, 28287, 31430, 32328, 37716, 40410, 44002, 47145, 53880, 56574, 62860, 66003, 75432, 80820, 88004, 94290, 110005, 113148, 125720, 132006, 141435, 161640, 176008, 188580, 198009, 220010, 226296, 264012, 282870, 330015, 377160, 396018, 440020, 528024, 565740, 660030, 792036, 880040, 990045, 1131480, 1320060, 1584072, 1980090, 2640120, 3960180, 7920360]

約数ペア:

[(1, 7920360), (2, 3960180), (3, 2640120), (4, 1980090), (5, 1584072), (6, 1320060), (7, 1131480), (8, 990045), (9, 880040), (10, 792036), (12, 660030), (14, 565740), (15, 528024), (18, 440020), (20, 396018), (21, 377160), (24, 330015), (28, 282870), (30, 264012), (35, 226296), (36, 220010), (40, 198009), (42, 188580), (45, 176008), (49, 161640), (56, 141435), (60, 132006), (63, 125720), (70, 113148), (72, 110005), (84, 94290), (90, 88004), (98, 80820), (105, 75432), (120, 66003), (126, 62860), (140, 56574), (147, 53880), (168, 47145), (180, 44002), (196, 40410), (210, 37716), (245, 32328), (252, 31430), (280, 28287), (294, 26940), (315, 25144), (360, 22001), (392, 20205), (420, 18858), (441, 17960), (449, 17640), (490, 16164), (504, 15715), (588, 13470), (630, 12572), (735, 10776), (840, 9429), (882, 8980), (898, 8820), (980, 8082), (1176, 6735), (1260, 6286), (1347, 5880), (1470, 5388), (1764, 4490), (1796, 4410), (1960, 4041), (2205, 3592), (2245, 3528), (2520, 3143), (2694, 2940)]