30404790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 72

約数和(自身を含む): 85644000

約数和(自身を除く): 55239210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 1999, 2535, 3042, 3998, 5070, 5997, 7605, 9995, 11994, 15210, 17991, 19990, 25987, 29985, 35982, 51974, 59970, 77961, 89955, 129935, 155922, 179910, 233883, 259870, 337831, 389805, 467766, 675662, 779610, 1013493, 1169415, 1689155, 2026986, 2338830, 3040479, 3378310, 5067465, 6080958, 10134930, 15202395, 30404790]

約数ペア:

[(1, 30404790), (2, 15202395), (3, 10134930), (5, 6080958), (6, 5067465), (9, 3378310), (10, 3040479), (13, 2338830), (15, 2026986), (18, 1689155), (26, 1169415), (30, 1013493), (39, 779610), (45, 675662), (65, 467766), (78, 389805), (90, 337831), (117, 259870), (130, 233883), (169, 179910), (195, 155922), (234, 129935), (338, 89955), (390, 77961), (507, 59970), (585, 51974), (845, 35982), (1014, 29985), (1170, 25987), (1521, 19990), (1690, 17991), (1999, 15210), (2535, 11994), (3042, 9995), (3998, 7605), (5070, 5997)]