131205420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{8999}}^1$

素因数の和:9026

約数の個数: 84

約数和(自身を含む): 413154000

約数和(自身を除く): 281948580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 8999, 14580, 17998, 26997, 35996, 44995, 53994, 80991, 89990, 107988, 134985, 161982, 179980, 242973, 269970, 323964, 404955, 485946, 539940, 728919, 809910, 971892, 1214865, 1457838, 1619820, 2186757, 2429730, 2915676, 3644595, 4373514, 4859460, 6560271, 7289190, 8747028, 10933785, 13120542, 14578380, 21867570, 26241084, 32801355, 43735140, 65602710, 131205420]

約数ペア:

[(1, 131205420), (2, 65602710), (3, 43735140), (4, 32801355), (5, 26241084), (6, 21867570), (9, 14578380), (10, 13120542), (12, 10933785), (15, 8747028), (18, 7289190), (20, 6560271), (27, 4859460), (30, 4373514), (36, 3644595), (45, 2915676), (54, 2429730), (60, 2186757), (81, 1619820), (90, 1457838), (108, 1214865), (135, 971892), (162, 809910), (180, 728919), (243, 539940), (270, 485946), (324, 404955), (405, 323964), (486, 269970), (540, 242973), (729, 179980), (810, 161982), (972, 134985), (1215, 107988), (1458, 89990), (1620, 80991), (2430, 53994), (2916, 44995), (3645, 35996), (4860, 26997), (7290, 17998), (8999, 14580)]