181147720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 446929920

約数和(自身を除く): 265782200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 169, 211, 254, 260, 338, 422, 508, 520, 635, 676, 844, 845, 1016, 1055, 1270, 1352, 1651, 1688, 1690, 2110, 2540, 2743, 3302, 3380, 4220, 5080, 5486, 6604, 6760, 8255, 8440, 10972, 13208, 13715, 16510, 21463, 21944, 26797, 27430, 33020, 35659, 42926, 53594, 54860, 66040, 71318, 85852, 107188, 107315, 109720, 133985, 142636, 171704, 178295, 214376, 214630, 267970, 285272, 348361, 356590, 429260, 535940, 696722, 713180, 858520, 1071880, 1393444, 1426360, 1741805, 2786888, 3483610, 4528693, 6967220, 9057386, 13934440, 18114772, 22643465, 36229544, 45286930, 90573860, 181147720]

約数ペア:

[(1, 181147720), (2, 90573860), (4, 45286930), (5, 36229544), (8, 22643465), (10, 18114772), (13, 13934440), (20, 9057386), (26, 6967220), (40, 4528693), (52, 3483610), (65, 2786888), (104, 1741805), (127, 1426360), (130, 1393444), (169, 1071880), (211, 858520), (254, 713180), (260, 696722), (338, 535940), (422, 429260), (508, 356590), (520, 348361), (635, 285272), (676, 267970), (844, 214630), (845, 214376), (1016, 178295), (1055, 171704), (1270, 142636), (1352, 133985), (1651, 109720), (1688, 107315), (1690, 107188), (2110, 85852), (2540, 71318), (2743, 66040), (3302, 54860), (3380, 53594), (4220, 42926), (5080, 35659), (5486, 33020), (6604, 27430), (6760, 26797), (8255, 21944), (8440, 21463), (10972, 16510), (13208, 13715)]