89421660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6997}}^1$

素因数の和:7083

約数の個数: 72

約数和(自身を含む): 275105376

約数和(自身を除く): 185683716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6997, 12780, 13994, 20991, 27988, 34985, 41982, 62973, 69970, 83964, 104955, 125946, 139940, 209910, 251892, 314865, 419820, 496787, 629730, 993574, 1259460, 1490361, 1987148, 2483935, 2980722, 4471083, 4967870, 5961444, 7451805, 8942166, 9935740, 14903610, 17884332, 22355415, 29807220, 44710830, 89421660]

約数ペア:

[(1, 89421660), (2, 44710830), (3, 29807220), (4, 22355415), (5, 17884332), (6, 14903610), (9, 9935740), (10, 8942166), (12, 7451805), (15, 5961444), (18, 4967870), (20, 4471083), (30, 2980722), (36, 2483935), (45, 1987148), (60, 1490361), (71, 1259460), (90, 993574), (142, 629730), (180, 496787), (213, 419820), (284, 314865), (355, 251892), (426, 209910), (639, 139940), (710, 125946), (852, 104955), (1065, 83964), (1278, 69970), (1420, 62973), (2130, 41982), (2556, 34985), (3195, 27988), (4260, 20991), (6390, 13994), (6997, 12780)]