78479640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 256304880

約数和(自身を除く): 177825240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 277, 360, 554, 787, 831, 1108, 1385, 1574, 1662, 2216, 2361, 2493, 2770, 3148, 3324, 3935, 4155, 4722, 4986, 5540, 6296, 6648, 7083, 7870, 8310, 9444, 9972, 11080, 11805, 12465, 14166, 15740, 16620, 18888, 19944, 23610, 24930, 28332, 31480, 33240, 35415, 47220, 49860, 56664, 70830, 94440, 99720, 141660, 217999, 283320, 435998, 653997, 871996, 1089995, 1307994, 1743992, 1961991, 2179990, 2615988, 3269985, 3923982, 4359980, 5231976, 6539970, 7847964, 8719960, 9809955, 13079940, 15695928, 19619910, 26159880, 39239820, 78479640]

約数ペア:

[(1, 78479640), (2, 39239820), (3, 26159880), (4, 19619910), (5, 15695928), (6, 13079940), (8, 9809955), (9, 8719960), (10, 7847964), (12, 6539970), (15, 5231976), (18, 4359980), (20, 3923982), (24, 3269985), (30, 2615988), (36, 2179990), (40, 1961991), (45, 1743992), (60, 1307994), (72, 1089995), (90, 871996), (120, 653997), (180, 435998), (277, 283320), (360, 217999), (554, 141660), (787, 99720), (831, 94440), (1108, 70830), (1385, 56664), (1574, 49860), (1662, 47220), (2216, 35415), (2361, 33240), (2493, 31480), (2770, 28332), (3148, 24930), (3324, 23610), (3935, 19944), (4155, 18888), (4722, 16620), (4986, 15740), (5540, 14166), (6296, 12465), (6648, 11805), (7083, 11080), (7870, 9972), (8310, 9444)]