1879280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 60

約数和(自身を含む): 4765320

約数和(自身を除く): 2886040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 169, 208, 260, 278, 338, 520, 556, 676, 695, 845, 1040, 1112, 1352, 1390, 1690, 1807, 2224, 2704, 2780, 3380, 3614, 5560, 6760, 7228, 9035, 11120, 13520, 14456, 18070, 23491, 28912, 36140, 46982, 72280, 93964, 117455, 144560, 187928, 234910, 375856, 469820, 939640, 1879280]

約数ペア:

[(1, 1879280), (2, 939640), (4, 469820), (5, 375856), (8, 234910), (10, 187928), (13, 144560), (16, 117455), (20, 93964), (26, 72280), (40, 46982), (52, 36140), (65, 28912), (80, 23491), (104, 18070), (130, 14456), (139, 13520), (169, 11120), (208, 9035), (260, 7228), (278, 6760), (338, 5560), (520, 3614), (556, 3380), (676, 2780), (695, 2704), (845, 2224), (1040, 1807), (1112, 1690), (1352, 1390)]