75600090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11831}}^1$

素因数の和:11915

約数の個数: 48

約数和(自身を含む): 199345536

約数和(自身を除く): 123745446

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 11831, 23662, 35493, 59155, 70986, 106479, 118310, 177465, 212958, 354930, 532395, 840001, 1064790, 1680002, 2520003, 4200005, 5040006, 7560009, 8400010, 12600015, 15120018, 25200030, 37800045, 75600090]

約数ペア:

[(1, 75600090), (2, 37800045), (3, 25200030), (5, 15120018), (6, 12600015), (9, 8400010), (10, 7560009), (15, 5040006), (18, 4200005), (30, 2520003), (45, 1680002), (71, 1064790), (90, 840001), (142, 532395), (213, 354930), (355, 212958), (426, 177465), (639, 118310), (710, 106479), (1065, 70986), (1278, 59155), (2130, 35493), (3195, 23662), (6390, 11831)]